Merge pull request #1220 from 0xProject/feature/instant/prevent-css-leakage

[instant] Prevent CSS leakage

21 files changed, 276 insertions, 189 deletions

diff --git a/packages/instant/public/external.css b/packages/instant/public/external.css
new file mode 100644
index 000000000..cab11112a
--- /dev/null
+++ b/packages/instant/public/external.css
@@ -0,0 +1,25 @@
+/*
+  CSS file meant to represent an external (integrators) stylesheet and 
+  help ensure that instant looks consistent across environments. 
+*/
+
+button {
+    font-size: 50px;
+    height: 200px;
+    background-color: red;
+}
+
+input {
+    padding: 100px;
+    font-size: 50px;
+    height: 100px;
+}
+
+div {
+    padding: 3px;
+}
+
+p {
+    background-color: green;
+    margin: 10px;
+}
diff --git a/packages/instant/public/index.html b/packages/instant/public/index.html
index 033a125a4..f6c809e33 100644
--- a/packages/instant/public/index.html
+++ b/packages/instant/public/index.html
@@ -5,6 +5,7 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>0x Instant Dev Environment</title>
+    <link rel="stylesheet" href="/external.css">
     <script type="text/javascript" src="/main.bundle.js" charset="utf-8"></script>
     <script type="text/javascript" src="https://unpkg.com/jsuri@1.3.1/Uri.js" charset="utf-8"></script>
     <script type="text/javascript" src="https://unpkg.com/bignumber.js@4.1.0/bignumber.js" charset="utf-8"></script>
diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx
index 515cd18e9..5b07e7416 100644
--- a/packages/instant/src/components/buy_button.tsx
+++ b/packages/instant/src/components/buy_button.tsx
@@ -13,7 +13,6 @@ import { gasPriceEstimator } from '../util/gas_price_estimator';
 import { util } from '../util/util';
 
 import { Button } from './ui/button';
-import { Text } from './ui/text';
 
 export interface BuyButtonProps {
     buyQuote?: BuyQuote;
@@ -36,10 +35,14 @@ export class BuyButton extends React.Component<BuyButtonProps> {
     public render(): React.ReactNode {
         const shouldDisableButton = _.isUndefined(this.props.buyQuote);
         return (
-            <Button width="100%" onClick={this._handleClick} isDisabled={shouldDisableButton}>
-                <Text fontColor={ColorOption.white} fontWeight={600} fontSize="20px">
-                    Buy
-                </Text>
+            <Button
+                width="100%"
+                onClick={this._handleClick}
+                isDisabled={shouldDisableButton}
+                fontColor={ColorOption.white}
+                fontSize="20px"
+            >
+                Buy
             </Button>
         );
     }
diff --git a/packages/instant/src/components/buy_order_state_buttons.tsx b/packages/instant/src/components/buy_order_state_buttons.tsx
index 3d0ede7b1..bdac25cf2 100644
--- a/packages/instant/src/components/buy_order_state_buttons.tsx
+++ b/packages/instant/src/components/buy_order_state_buttons.tsx
@@ -10,7 +10,6 @@ import { SecondaryButton } from './secondary_button';
 
 import { Button } from './ui/button';
 import { Flex } from './ui/flex';
-import { Text } from './ui/text';
 
 export interface BuyOrderStateButtonProps {
     buyQuote?: BuyQuote;
@@ -31,10 +30,8 @@ export const BuyOrderStateButtons: React.StatelessComponent<BuyOrderStateButtonP
     if (props.buyOrderProcessingState === OrderProcessState.Failure) {
         return (
             <Flex justify="space-between">
-                <Button width="48%" onClick={props.onRetry}>
-                    <Text fontColor={ColorOption.white} fontWeight={600} fontSize="16px">
-                        Back
-                    </Text>
+                <Button width="48%" onClick={props.onRetry} fontColor={ColorOption.white} fontSize="16px">
+                    Back
                 </Button>
                 <SecondaryButton width="48%" onClick={props.onViewTransaction}>
                     Details
diff --git a/packages/instant/src/components/css_reset.tsx b/packages/instant/src/components/css_reset.tsx
new file mode 100644
index 000000000..a1dd2e05c
--- /dev/null
+++ b/packages/instant/src/components/css_reset.tsx
@@ -0,0 +1,33 @@
+import { INJECTED_DIV_CLASS } from '../constants';
+import { createGlobalStyle } from '../style/theme';
+
+export interface CSSResetProps {}
+
+/*
+* Derived from
+* https://github.com/jtrost/Complete-CSS-Reset
+*/
+export const CSSReset = createGlobalStyle`
+    .${INJECTED_DIV_CLASS} {
+        a, abbr, area, article, aside, audio, b, bdo, blockquote, body, button,
+        canvas, caption, cite, code, col, colgroup, command, datalist, dd, del,
+        details, dialog, dfn, div, dl, dt, em, embed, fieldset, figure, form,
+        h1, h2, h3, h4, h5, h6, head, header, hgroup, hr, html, i, iframe, img,
+        input, ins, keygen, kbd, label, legend, li, map, mark, menu, meter, nav,
+        noscript, object, ol, optgroup, option, output, p, param, pre, progress,
+        q, rp, rt, ruby, samp, section, select, small, span, strong, sub, sup,
+        table, tbody, td, textarea, tfoot, th, thead, time, tr, ul, var, video {
+            background: transparent;
+            border: 0;
+            font-size: 100%;
+            font: inherit;
+            margin: 0;
+            outline: none;
+            padding: 0;
+            text-align: left;
+            text-decoration: none;
+            vertical-align: baseline;
+            z-index: 1;
+        }
+    }
+`;
diff --git a/packages/instant/src/components/placing_order_button.tsx b/packages/instant/src/components/placing_order_button.tsx
index 4232e6c22..d774d7d27 100644
--- a/packages/instant/src/components/placing_order_button.tsx
+++ b/packages/instant/src/components/placing_order_button.tsx
@@ -5,15 +5,12 @@ import { ColorOption } from '../style/theme';
 import { Button } from './ui/button';
 import { Container } from './ui/container';
 import { Spinner } from './ui/spinner';
-import { Text } from './ui/text';
 
 export const PlacingOrderButton: React.StatelessComponent<{}> = props => (
-    <Button isDisabled={true} width="100%">
+    <Button isDisabled={true} width="100%" fontColor={ColorOption.white} fontSize="20px">
         <Container display="inline-block" position="relative" top="3px" marginRight="8px">
             <Spinner widthPx={20} heightPx={20} />
         </Container>
-        <Text fontColor={ColorOption.white} fontWeight={600} fontSize="20px">
-            Placing Order&hellip;
-        </Text>
+        Placing Order&hellip;
     </Button>
 );
diff --git a/packages/instant/src/components/secondary_button.tsx b/packages/instant/src/components/secondary_button.tsx
index 583058b5b..df0539606 100644
--- a/packages/instant/src/components/secondary_button.tsx
+++ b/packages/instant/src/components/secondary_button.tsx
@@ -4,7 +4,6 @@ import * as React from 'react';
 import { ColorOption } from '../style/theme';
 
 import { Button, ButtonProps } from './ui/button';
-import { Text } from './ui/text';
 
 export interface SecondaryButtonProps extends ButtonProps {}
 
@@ -16,11 +15,11 @@ export const SecondaryButton: React.StatelessComponent<SecondaryButtonProps> = p
             borderColor={ColorOption.lightGrey}
             width={props.width}
             onClick={props.onClick}
+            fontColor={ColorOption.primaryColor}
+            fontSize="16px"
             {...buttonProps}
         >
-            <Text fontColor={ColorOption.primaryColor} fontWeight={600} fontSize="16px">
-                {props.children}
-            </Text>
+            {props.children}
         </Button>
     );
 };
diff --git a/packages/instant/src/components/timed_progress_bar.tsx b/packages/instant/src/components/timed_progress_bar.tsx
index f2a6f5745..59aaa33a1 100644
--- a/packages/instant/src/components/timed_progress_bar.tsx
+++ b/packages/instant/src/components/timed_progress_bar.tsx
@@ -70,9 +70,11 @@ export const TimedProgress =
     styled.div <
     TimedProgressProps >
     `
-    background-color: ${props => props.theme[ColorOption.primaryColor]};
-    border-radius: 6px;
-    height: 6px;
-    animation: ${props => expandingWidthKeyframes(props.fromWidth, props.toWidth)}
-      ${props => props.timeMs}ms linear 1 forwards;
-  `;
+    && {
+        background-color: ${props => props.theme[ColorOption.primaryColor]};
+        border-radius: 6px;
+        height: 6px;
+        animation: ${props => expandingWidthKeyframes(props.fromWidth, props.toWidth)}
+          ${props => props.timeMs}ms linear 1 forwards;
+    }
+`;
diff --git a/packages/instant/src/components/ui/button.tsx b/packages/instant/src/components/ui/button.tsx
index 5274d835b..b90221bf4 100644
--- a/packages/instant/src/components/ui/button.tsx
+++ b/packages/instant/src/components/ui/button.tsx
@@ -6,6 +6,8 @@ import { ColorOption, styled } from '../../style/theme';
 export interface ButtonProps {
     backgroundColor?: ColorOption;
     borderColor?: ColorOption;
+    fontColor?: ColorOption;
+    fontSize?: string;
     width?: string;
     padding?: string;
     type?: string;
@@ -24,29 +26,39 @@ const darkenOnHoverAmount = 0.1;
 const darkenOnActiveAmount = 0.2;
 const saturateOnFocusAmount = 0.2;
 export const Button = styled(PlainButton)`
-    cursor: ${props => (props.isDisabled ? 'default' : 'pointer')};
-    transition: background-color, opacity 0.5s ease;
-    padding: ${props => props.padding};
-    border-radius: 3px;
-    outline: none;
-    width: ${props => props.width};
-    background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
-    border: ${props => (props.borderColor ? `1px solid ${props.theme[props.borderColor]}` : 'none')};
-    &:hover {
-        background-color: ${props =>
-            !props.isDisabled
-                ? darken(darkenOnHoverAmount, props.theme[props.backgroundColor || 'white'])
-                : ''} !important;
-    }
-    &:active {
-        background-color: ${props =>
-            !props.isDisabled ? darken(darkenOnActiveAmount, props.theme[props.backgroundColor || 'white']) : ''};
-    }
-    &:disabled {
-        opacity: 0.5;
-    }
-    &:focus {
-        background-color: ${props => saturate(saturateOnFocusAmount, props.theme[props.backgroundColor || 'white'])};
+    && {
+        all: initial;
+        box-sizing: border-box;
+        font-size: ${props => props.fontSize};
+        font-family: 'Inter UI', sans-serif;
+        font-weight: 600;
+        color: ${props => props.fontColor && props.theme[props.fontColor]};
+        cursor: ${props => (props.isDisabled ? 'default' : 'pointer')};
+        transition: background-color, opacity 0.5s ease;
+        padding: ${props => props.padding};
+        border-radius: 3px;
+        text-align: center;
+        outline: none;
+        width: ${props => props.width};
+        background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
+        border: ${props => (props.borderColor ? `1px solid ${props.theme[props.borderColor]}` : 'none')};
+        &:hover {
+            background-color: ${props =>
+                !props.isDisabled
+                    ? darken(darkenOnHoverAmount, props.theme[props.backgroundColor || 'white'])
+                    : ''} !important;
+        }
+        &:active {
+            background-color: ${props =>
+                !props.isDisabled ? darken(darkenOnActiveAmount, props.theme[props.backgroundColor || 'white']) : ''};
+        }
+        &:disabled {
+            opacity: 0.5;
+        }
+        &:focus {
+            background-color: ${props =>
+                saturate(saturateOnFocusAmount, props.theme[props.backgroundColor || 'white'])};
+        }
     }
 `;
 
@@ -55,7 +67,8 @@ Button.defaultProps = {
     borderColor: ColorOption.primaryColor,
     width: 'auto',
     isDisabled: false,
-    padding: '1em 2.2em',
+    padding: '.6em 1.2em',
+    fontSize: '15px',
 };
 
 Button.displayName = 'Button';
diff --git a/packages/instant/src/components/ui/circle.tsx b/packages/instant/src/components/ui/circle.tsx
index eec2777d2..26764ec71 100644
--- a/packages/instant/src/components/ui/circle.tsx
+++ b/packages/instant/src/components/ui/circle.tsx
@@ -9,10 +9,12 @@ export const Circle =
     styled.div <
     CircleProps >
     `
-    width: ${props => props.diameter}px;
-    height: ${props => props.diameter}px;
-    background-color: ${props => props.fillColor};
-    border-radius: 50%;
+    && {
+        width: ${props => props.diameter}px;
+        height: ${props => props.diameter}px;
+        background-color: ${props => props.fillColor};
+        border-radius: 50%;
+    }
 `;
 
 Circle.displayName = 'Circle';
diff --git a/packages/instant/src/components/ui/container.tsx b/packages/instant/src/components/ui/container.tsx
index 403751210..bffa1d7d4 100644
--- a/packages/instant/src/components/ui/container.tsx
+++ b/packages/instant/src/components/ui/container.tsx
@@ -41,42 +41,45 @@ export const Container =
     styled.div <
     ContainerProps >
     `
-    box-sizing: border-box;
-    ${props => cssRuleIfExists(props, 'flex-grow')}
-    ${props => cssRuleIfExists(props, 'position')}
-    ${props => cssRuleIfExists(props, 'top')}
-    ${props => cssRuleIfExists(props, 'right')}
-    ${props => cssRuleIfExists(props, 'bottom')}
-    ${props => cssRuleIfExists(props, 'left')}
-    ${props => cssRuleIfExists(props, 'max-width')}
-    ${props => cssRuleIfExists(props, 'margin')}
-    ${props => cssRuleIfExists(props, 'margin-top')}
-    ${props => cssRuleIfExists(props, 'margin-right')}
-    ${props => cssRuleIfExists(props, 'margin-bottom')}
-    ${props => cssRuleIfExists(props, 'margin-left')}
-    ${props => cssRuleIfExists(props, 'padding')}
-    ${props => cssRuleIfExists(props, 'border-radius')}
-    ${props => cssRuleIfExists(props, 'border')}
-    ${props => cssRuleIfExists(props, 'border-top')}
-    ${props => cssRuleIfExists(props, 'border-bottom')}
-    ${props => cssRuleIfExists(props, 'z-index')}
-    ${props => cssRuleIfExists(props, 'white-space')}
-    ${props => cssRuleIfExists(props, 'opacity')}
-    ${props => cssRuleIfExists(props, 'cursor')}
-    ${props => cssRuleIfExists(props, 'overflow')}
-    ${props => (props.hasBoxShadow ? `box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1)` : '')};
-    ${props => props.display && stylesForMedia('display', props.display)}
-    ${props => stylesForMedia('width', props.width || 'auto')}
-    ${props => stylesForMedia('height', props.height || 'auto')}
-    background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
-    border-color: ${props => (props.borderColor ? props.theme[props.borderColor] : 'none')};
-    &:hover {
-        ${props =>
-            props.darkenOnHover
-                ? `background-color: ${
-                      props.backgroundColor ? darken(0.05, props.theme[props.backgroundColor]) : 'none'
-                  }`
-                : ''};
+    && {
+        all: initial;
+        box-sizing: border-box;
+        ${props => cssRuleIfExists(props, 'flex-grow')}
+        ${props => cssRuleIfExists(props, 'position')}
+        ${props => cssRuleIfExists(props, 'top')}
+        ${props => cssRuleIfExists(props, 'right')}
+        ${props => cssRuleIfExists(props, 'bottom')}
+        ${props => cssRuleIfExists(props, 'left')}
+        ${props => cssRuleIfExists(props, 'max-width')}
+        ${props => cssRuleIfExists(props, 'margin')}
+        ${props => cssRuleIfExists(props, 'margin-top')}
+        ${props => cssRuleIfExists(props, 'margin-right')}
+        ${props => cssRuleIfExists(props, 'margin-bottom')}
+        ${props => cssRuleIfExists(props, 'margin-left')}
+        ${props => cssRuleIfExists(props, 'padding')}
+        ${props => cssRuleIfExists(props, 'border-radius')}
+        ${props => cssRuleIfExists(props, 'border')}
+        ${props => cssRuleIfExists(props, 'border-top')}
+        ${props => cssRuleIfExists(props, 'border-bottom')}
+        ${props => cssRuleIfExists(props, 'z-index')}
+        ${props => cssRuleIfExists(props, 'white-space')}
+        ${props => cssRuleIfExists(props, 'opacity')}
+        ${props => cssRuleIfExists(props, 'cursor')}
+        ${props => cssRuleIfExists(props, 'overflow')}
+        ${props => (props.hasBoxShadow ? `box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1)` : '')};
+        ${props => props.display && stylesForMedia('display', props.display)}
+        ${props => (props.width ? stylesForMedia('width', props.width) : '')}
+        ${props => (props.height ? stylesForMedia('height', props.height) : '')}
+        background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
+        border-color: ${props => (props.borderColor ? props.theme[props.borderColor] : 'none')};
+        &:hover {
+            ${props =>
+                props.darkenOnHover
+                    ? `background-color: ${
+                          props.backgroundColor ? darken(0.05, props.theme[props.backgroundColor]) : 'none'
+                      }`
+                    : ''};
+        }
     }
 `;
 
diff --git a/packages/instant/src/components/ui/flex.tsx b/packages/instant/src/components/ui/flex.tsx
index fd218b0cd..5b00138b8 100644
--- a/packages/instant/src/components/ui/flex.tsx
+++ b/packages/instant/src/components/ui/flex.tsx
@@ -18,15 +18,18 @@ export const Flex =
     styled.div <
     FlexProps >
     `
-    display: ${props => (props.inline ? 'inline-flex' : 'flex')};
-    flex-direction: ${props => props.direction};
-    flex-wrap: ${props => props.flexWrap};
-    ${props => cssRuleIfExists(props, 'flexGrow')}
-    justify-content: ${props => props.justify};
-    align-items: ${props => props.align};
-    background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
-    ${props => stylesForMedia('width', props.width || 'auto')}
-    ${props => stylesForMedia('height', props.height || 'auto')}
+    && {
+        all: initial;
+        display: ${props => (props.inline ? 'inline-flex' : 'flex')};
+        flex-direction: ${props => props.direction};
+        flex-wrap: ${props => props.flexWrap};
+        ${props => cssRuleIfExists(props, 'flexGrow')}
+        justify-content: ${props => props.justify};
+        align-items: ${props => props.align};
+        background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
+        ${props => (props.width ? stylesForMedia('width', props.width) : '')}
+        ${props => (props.height ? stylesForMedia('height', props.height) : '')}
+    }
 `;
 
 Flex.defaultProps = {
diff --git a/packages/instant/src/components/ui/icon.tsx b/packages/instant/src/components/ui/icon.tsx
index 94ea26900..2679dad1a 100644
--- a/packages/instant/src/components/ui/icon.tsx
+++ b/packages/instant/src/components/ui/icon.tsx
@@ -101,15 +101,17 @@ const PlainIcon: React.StatelessComponent<IconProps> = props => {
 };
 
 export const Icon = withTheme(styled(PlainIcon)`
-    cursor: ${props => (!_.isUndefined(props.onClick) ? 'pointer' : 'default')};
-    transition: opacity 0.5s ease;
-    padding: ${props => props.padding};
-    opacity: ${props => (!_.isUndefined(props.onClick) ? 0.7 : 1)};
-    &:hover {
-        opacity: 1;
-    }
-    &:active {
-        opacity: 1;
+    && {
+        cursor: ${props => (!_.isUndefined(props.onClick) ? 'pointer' : 'default')};
+        transition: opacity 0.5s ease;
+        padding: ${props => props.padding};
+        opacity: ${props => (!_.isUndefined(props.onClick) ? 0.7 : 1)};
+        &:hover {
+            opacity: 1;
+        }
+        &:active {
+            opacity: 1;
+        }
     }
 `);
 
diff --git a/packages/instant/src/components/ui/input.tsx b/packages/instant/src/components/ui/input.tsx
index a884ff7cb..2fb408db4 100644
--- a/packages/instant/src/components/ui/input.tsx
+++ b/packages/instant/src/components/ui/input.tsx
@@ -16,17 +16,20 @@ export const Input =
     styled.input <
     InputProps >
     `
-    font-size: ${props => props.fontSize};
-    width: ${props => props.width};
-    padding: 0.1em 0em;
-    font-family: 'Inter UI';
-    color: ${props => props.theme[props.fontColor || 'white']};
-    background: transparent;
-    outline: none;
-    border: none;
-    &::placeholder {
+    && {
+        all: initial;
+        font-size: ${props => props.fontSize};
+        width: ${props => props.width};
+        padding: 0.1em 0em;
+        font-family: 'Inter UI';
         color: ${props => props.theme[props.fontColor || 'white']};
-        opacity: 0.5;
+        background: transparent;
+        outline: none;
+        border: none;
+        &::placeholder {
+            color: ${props => props.theme[props.fontColor || 'white']};
+            opacity: 0.5;
+        }
     }
 `;
 
diff --git a/packages/instant/src/components/ui/overlay.tsx b/packages/instant/src/components/ui/overlay.tsx
index 7110ee70f..8c9572615 100644
--- a/packages/instant/src/components/ui/overlay.tsx
+++ b/packages/instant/src/components/ui/overlay.tsx
@@ -24,13 +24,15 @@ const PlainOverlay: React.StatelessComponent<OverlayProps> = ({ children, classN
     </Flex>
 );
 export const Overlay = styled(PlainOverlay)`
-    position: fixed;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    left: 0;
-    z-index: ${props => props.zIndex}
-    background-color: ${overlayBlack};
+    && {
+        position: fixed;
+        top: 0;
+        right: 0;
+        bottom: 0;
+        left: 0;
+        z-index: ${props => props.zIndex}
+        background-color: ${overlayBlack};
+    }
 `;
 
 Overlay.defaultProps = {
diff --git a/packages/instant/src/components/ui/text.tsx b/packages/instant/src/components/ui/text.tsx
index cba6e7b20..c6a76ff18 100644
--- a/packages/instant/src/components/ui/text.tsx
+++ b/packages/instant/src/components/ui/text.tsx
@@ -27,25 +27,28 @@ export const Text =
     styled.div <
     TextProps >
     `
-    font-family: ${props => props.fontFamily};
-    font-style: ${props => props.fontStyle};
-    font-weight: ${props => props.fontWeight};
-    font-size: ${props => props.fontSize};
-    opacity: ${props => props.opacity};
-    text-decoration-line: ${props => props.textDecorationLine};
-    ${props => (props.lineHeight ? `line-height: ${props.lineHeight}` : '')};
-    ${props => (props.center ? 'text-align: center' : '')};
-    color: ${props => props.fontColor && props.theme[props.fontColor]};
-    ${props => (props.minHeight ? `min-height: ${props.minHeight}` : '')};
-    ${props => (props.onClick ? 'cursor: pointer' : '')};
-    transition: color 0.5s ease;
-    ${props => (props.noWrap ? 'white-space: nowrap' : '')};
-    ${props => (props.display ? `display: ${props.display}` : '')};
-    ${props => (props.letterSpacing ? `letter-spacing: ${props.letterSpacing}` : '')};
-    ${props => (props.textTransform ? `text-transform: ${props.textTransform}` : '')};
-    &:hover {
-        ${props =>
-            props.onClick ? `color: ${darken(darkenOnHoverAmount, props.theme[props.fontColor || 'white'])}` : ''};
+    && {
+        all: initial;
+        font-family: 'Inter UI', sans-serif;
+        font-style: ${props => props.fontStyle};
+        font-weight: ${props => props.fontWeight};
+        font-size: ${props => props.fontSize};
+        opacity: ${props => props.opacity};
+        text-decoration-line: ${props => props.textDecorationLine};
+        ${props => (props.lineHeight ? `line-height: ${props.lineHeight}` : '')};
+        ${props => (props.center ? 'text-align: center' : '')};
+        color: ${props => props.fontColor && props.theme[props.fontColor]};
+        ${props => (props.minHeight ? `min-height: ${props.minHeight}` : '')};
+        ${props => (props.onClick ? 'cursor: pointer' : '')};
+        transition: color 0.5s ease;
+        ${props => (props.noWrap ? 'white-space: nowrap' : '')};
+        ${props => (props.display ? `display: ${props.display}` : '')};
+        ${props => (props.letterSpacing ? `letter-spacing: ${props.letterSpacing}` : '')};
+        ${props => (props.textTransform ? `text-transform: ${props.textTransform}` : '')};
+        &:hover {
+            ${props =>
+                props.onClick ? `color: ${darken(darkenOnHoverAmount, props.theme[props.fontColor || 'white'])}` : ''};
+        }
     }
 `;
 
@@ -61,14 +64,3 @@ Text.defaultProps = {
 };
 
 Text.displayName = 'Text';
-
-export const Title: React.StatelessComponent<TextProps> = props => <Text {...props} />;
-
-Title.defaultProps = {
-    fontSize: '20px',
-    fontWeight: 600,
-    opacity: 1,
-    fontColor: ColorOption.primaryColor,
-};
-
-Title.displayName = 'Title';
diff --git a/packages/instant/src/components/zero_ex_instant.tsx b/packages/instant/src/components/zero_ex_instant.tsx
index 907c42e7a..b945f9908 100644
--- a/packages/instant/src/components/zero_ex_instant.tsx
+++ b/packages/instant/src/components/zero_ex_instant.tsx
@@ -1,5 +1,7 @@
 import * as React from 'react';
 
+import { INJECTED_DIV_CLASS } from '../constants';
+
 import { ZeroExInstantContainer } from './zero_ex_instant_container';
 import { ZeroExInstantProvider, ZeroExInstantProviderProps } from './zero_ex_instant_provider';
 
@@ -7,8 +9,10 @@ export type ZeroExInstantProps = ZeroExInstantProviderProps;
 
 export const ZeroExInstant: React.StatelessComponent<ZeroExInstantProps> = props => {
     return (
-        <ZeroExInstantProvider {...props}>
-            <ZeroExInstantContainer />
-        </ZeroExInstantProvider>
+        <div className={INJECTED_DIV_CLASS}>
+            <ZeroExInstantProvider {...props}>
+                <ZeroExInstantContainer />
+            </ZeroExInstantProvider>
+        </div>
     );
 };
diff --git a/packages/instant/src/components/zero_ex_instant_container.tsx b/packages/instant/src/components/zero_ex_instant_container.tsx
index ef6adf384..f5f8adefe 100644
--- a/packages/instant/src/components/zero_ex_instant_container.tsx
+++ b/packages/instant/src/components/zero_ex_instant_container.tsx
@@ -12,6 +12,7 @@ import { ColorOption } from '../style/theme';
 import { zIndex } from '../style/z_index';
 
 import { SlideAnimationState } from './animations/slide_animation';
+import { CSSReset } from './css_reset';
 import { SlidingPanel } from './sliding_panel';
 import { Container } from './ui/container';
 import { Flex } from './ui/flex';
@@ -27,40 +28,43 @@ export class ZeroExInstantContainer extends React.Component<ZeroExInstantContain
     };
     public render(): React.ReactNode {
         return (
-            <Container
-                width={{ default: '350px', sm: '100%' }}
-                height={{ default: 'auto', sm: '100%' }}
-                position="relative"
-            >
-                <Container zIndex={zIndex.errorPopup} position="relative">
-                    <LatestError />
-                </Container>
+            <React.Fragment>
+                <CSSReset />
                 <Container
-                    zIndex={zIndex.mainContainer}
+                    width={{ default: '350px', sm: '100%' }}
+                    height={{ default: 'auto', sm: '100%' }}
                     position="relative"
-                    backgroundColor={ColorOption.white}
-                    borderRadius="3px"
-                    hasBoxShadow={true}
-                    overflow="hidden"
-                    height="100%"
                 >
-                    <Flex direction="column" height="100%" justify="flex-start">
-                        <SelectedAssetInstantHeading onSelectAssetClick={this._handleSymbolClick} />
-                        <SelectedAssetBuyOrderProgress />
-                        <LatestBuyQuoteOrderDetails />
-                        <Container padding="20px" width="100%">
-                            <SelectedAssetBuyOrderStateButtons />
-                        </Container>
-                    </Flex>
-                    <SlidingPanel
-                        title="Select Token"
-                        animationState={this.state.tokenSelectionPanelAnimationState}
-                        onClose={this._handlePanelClose}
+                    <Container zIndex={zIndex.errorPopup} position="relative">
+                        <LatestError />
+                    </Container>
+                    <Container
+                        zIndex={zIndex.mainContainer}
+                        position="relative"
+                        backgroundColor={ColorOption.white}
+                        borderRadius="3px"
+                        hasBoxShadow={true}
+                        overflow="hidden"
+                        height="100%"
                     >
-                        <AvailableERC20TokenSelector onTokenSelect={this._handlePanelClose} />
-                    </SlidingPanel>
+                        <Flex direction="column" justify="flex-start" height="100%">
+                            <SelectedAssetInstantHeading onSelectAssetClick={this._handleSymbolClick} />
+                            <SelectedAssetBuyOrderProgress />
+                            <LatestBuyQuoteOrderDetails />
+                            <Container padding="20px" width="100%">
+                                <SelectedAssetBuyOrderStateButtons />
+                            </Container>
+                        </Flex>
+                        <SlidingPanel
+                            title="Select Token"
+                            animationState={this.state.tokenSelectionPanelAnimationState}
+                            onClose={this._handlePanelClose}
+                        >
+                            <AvailableERC20TokenSelector onTokenSelect={this._handlePanelClose} />
+                        </SlidingPanel>
+                    </Container>
                 </Container>
-            </Container>
+            </React.Fragment>
         );
     }
     private readonly _handleSymbolClick = (): void => {
diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 00521b56e..34548f26f 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -5,6 +5,7 @@ import { Network } from './types';
 export const BIG_NUMBER_ZERO = new BigNumber(0);
 export const ETH_DECIMALS = 18;
 export const DEFAULT_ZERO_EX_CONTAINER_SELECTOR = '#zeroExInstantContainer';
+export const INJECTED_DIV_CLASS = 'zeroExInstantResetRoot';
 export const INJECTED_DIV_ID = 'zeroExInstant';
 export const WEB_3_WRAPPER_TRANSACTION_FAILED_ERROR_MSG_PREFIX = 'Transaction failed';
 export const GWEI_IN_WEI = new BigNumber(1000000000);
diff --git a/packages/instant/src/index.umd.ts b/packages/instant/src/index.umd.ts
index 59d1e646f..0274db30c 100644
--- a/packages/instant/src/index.umd.ts
+++ b/packages/instant/src/index.umd.ts
@@ -2,7 +2,7 @@ import * as _ from 'lodash';
 import * as React from 'react';
 import * as ReactDOM from 'react-dom';
 
-import { DEFAULT_ZERO_EX_CONTAINER_SELECTOR, INJECTED_DIV_ID } from './constants';
+import { DEFAULT_ZERO_EX_CONTAINER_SELECTOR, INJECTED_DIV_CLASS, INJECTED_DIV_ID } from './constants';
 import { ZeroExInstantOverlay, ZeroExInstantOverlayProps } from './index';
 import { assert } from './util/assert';
 
@@ -41,6 +41,7 @@ export const render = (props: ZeroExInstantOverlayProps, selector: string = DEFA
     const appendTo = appendToIfExists as Element;
     const injectedDiv = document.createElement('div');
     injectedDiv.setAttribute('id', INJECTED_DIV_ID);
+    injectedDiv.setAttribute('class', INJECTED_DIV_CLASS);
     appendTo.appendChild(injectedDiv);
     const instantOverlayProps = {
         ...props,
diff --git a/packages/instant/src/style/theme.ts b/packages/instant/src/style/theme.ts
index d10c9b72c..8dada2d28 100644
--- a/packages/instant/src/style/theme.ts
+++ b/packages/instant/src/style/theme.ts
@@ -1,6 +1,6 @@
 import * as styledComponents from 'styled-components';
 
-const { default: styled, css, keyframes, withTheme, ThemeProvider } = styledComponents;
+const { default: styled, css, keyframes, withTheme, createGlobalStyle, ThemeProvider } = styledComponents;
 
 export type Theme = { [key in ColorOption]: string };
 
@@ -33,4 +33,4 @@ export const theme: Theme = {
 export const transparentWhite = 'rgba(255,255,255,0.3)';
 export const overlayBlack = 'rgba(0, 0, 0, 0.6)';
 
-export { styled, css, keyframes, withTheme, ThemeProvider };
+export { styled, css, keyframes, withTheme, createGlobalStyle, ThemeProvider };