diff --git a/.eslintrc b/.eslintrc
index 1049b3ec..86f3e0cd 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -16,6 +16,7 @@
     "import/prefer-default-export": 0,
     "import/no-named-as-default": 0,
     "jsx-a11y/anchor-is-valid": 0,
+    "jsx-a11y/label-has-for": 0,
     "new-cap": 0,
     "no-nested-ternary": 0,
     "no-param-reassign": 0,
diff --git a/src/components/AccountPage.js b/src/components/AccountPage.js
index 0d50790d..64368136 100644
--- a/src/components/AccountPage.js
+++ b/src/components/AccountPage.js
@@ -49,7 +49,7 @@ const Action = styled(Box).attrs({
   text-transform: uppercase;
 
   &:hover {
-    color: ${p => p.theme.colors.gray};
+    color: ${p => p.theme.colors.grey};
   }
 `
 
@@ -66,8 +66,8 @@ class AccountPage extends PureComponent<Props> {
           <Fragment>
             <Box horizontal flow={3}>
               <Box grow>
-                <Card title="Balance" style={{ height: 415 }}>
-                  {format(accountData.balance)}
+                <Card title="Balance" style={{ height: 415 }} align="center" justify="center">
+                  <Text fontSize={6}>{format(accountData.balance)}</Text>
                 </Card>
               </Box>
 
diff --git a/src/components/SettingsPage/Display.js b/src/components/SettingsPage/Display.js
index b5de95c1..6176aab0 100644
--- a/src/components/SettingsPage/Display.js
+++ b/src/components/SettingsPage/Display.js
@@ -76,8 +76,8 @@ class TabProfile extends PureComponent<Props, State> {
 
     return (
       <form onSubmit={this.handleSubmit}>
-        <Card>
-          <Box>
+        <Card flow={3}>
+          <Box flow={1}>
             <Label>{t('settings.display.language')}</Label>
             <Select
               onChange={item => this.handleChangeInput('language')(item.key)}
@@ -86,8 +86,10 @@ class TabProfile extends PureComponent<Props, State> {
               items={languages}
             />
           </Box>
-          <Box>
-            <Button type="submit">Save</Button>
+          <Box horizontal justify="flex-end">
+            <Button primary type="submit">
+              Save
+            </Button>
           </Box>
         </Card>
       </form>
diff --git a/src/components/SettingsPage/Profile.js b/src/components/SettingsPage/Profile.js
index 078cec56..6591e401 100644
--- a/src/components/SettingsPage/Profile.js
+++ b/src/components/SettingsPage/Profile.js
@@ -1,7 +1,6 @@
 // @flow
 
 import React, { PureComponent } from 'react'
-import styled from 'styled-components'
 import { connect } from 'react-redux'
 import bcrypt from 'bcryptjs'
 
@@ -17,11 +16,7 @@ import { unlock } from 'reducers/application'
 import Box, { Card } from 'components/base/Box'
 import Input from 'components/base/Input'
 import Button from 'components/base/Button'
-
-const Label = styled.label`
-  display: block;
-  text-transform: uppercase;
-`
+import Label from 'components/base/Label'
 
 type InputValue = SettingsProfile
 
@@ -87,17 +82,19 @@ class TabProfile extends PureComponent<Props, State> {
     const { inputValue } = this.state
     return (
       <form onSubmit={this.handleSubmit}>
-        <Card>
-          <Box horizontal>
-            <input
-              type="checkbox"
-              checked={get(inputValue, 'password.state', false)}
-              onChange={e => this.handleChangeInput('password.state')(e.target.checked)}
-            />{' '}
-            with password
-          </Box>
+        <Card flow={3}>
+          <label>
+            <Box horizontal align="center" flow={1} style={{ cursor: 'pointer' }}>
+              <input
+                type="checkbox"
+                checked={get(inputValue, 'password.state', false)}
+                onChange={e => this.handleChangeInput('password.state')(e.target.checked)}
+              />
+              <div>{' with password'}</div>
+            </Box>
+          </label>
           {get(inputValue, 'password.state') === true && (
-            <Box>
+            <Box flow={1}>
               <Label>Password</Label>
               <Input
                 value={get(inputValue, 'password.value', '')}
@@ -106,8 +103,10 @@ class TabProfile extends PureComponent<Props, State> {
               />
             </Box>
           )}
-          <Box>
-            <Button type="submit">Save</Button>
+          <Box horizontal justify="flex-end">
+            <Button primary type="submit">
+              Save
+            </Button>
           </Box>
         </Card>
       </form>
diff --git a/src/components/SettingsPage/index.js b/src/components/SettingsPage/index.js
index 23863f9a..341f7a13 100644
--- a/src/components/SettingsPage/index.js
+++ b/src/components/SettingsPage/index.js
@@ -67,26 +67,31 @@ class SettingsPage extends PureComponent<Props, State> {
             },
             {
               key: 'money',
+              isDisabled: true,
               title: t('settings.tabs.money'),
               render: () => <div>{'Monnaie'}</div>,
             },
             {
               key: 'material',
+              isDisabled: true,
               title: t('settings.tabs.material'),
               render: () => <div>{'Matériel'}</div>,
             },
             {
               key: 'app',
+              isDisabled: true,
               title: t('settings.tabs.app'),
               render: () => <div>{'App (beta)'}</div>,
             },
             {
               key: 'tools',
+              isDisabled: true,
               title: t('settings.tabs.tools'),
               render: () => <div>{'Outils'}</div>,
             },
             {
               key: 'blockchain',
+              isDisabled: true,
               title: t('settings.tabs.blockchain'),
               render: () => <div>{'Blockchain'}</div>,
             },
diff --git a/src/components/SideBar/Item.js b/src/components/SideBar/Item.js
index 46407f99..6e21a70c 100644
--- a/src/components/SideBar/Item.js
+++ b/src/components/SideBar/Item.js
@@ -15,6 +15,7 @@ import type { Location } from 'react-router'
 
 import Box from 'components/base/Box'
 import Text from 'components/base/Text'
+import Icon from 'components/base/Icon'
 
 const mapStateToProps: MapStateToProps<*, *, *> = (state, { modal }: any) => ({
   // connect router here only to make components re-render
@@ -33,6 +34,7 @@ const Container = styled(Box).attrs({
   align: 'center',
   color: 'lead',
   p: 2,
+  flow: 2,
 })`
   cursor: pointer;
   color: ${p => (p.isActive ? p.theme.colors.white : '')};
@@ -46,12 +48,6 @@ const Container = styled(Box).attrs({
   }
 `
 
-const IconWrapper = styled(Box)`
-  width: 25px;
-  height: 25px;
-  border: 2px solid ${p => (p.isActive ? p.theme.colors.blue : 'rgba(255, 255, 255, 0.1)')};
-`
-
 type Props = {
   children: string,
   linkTo?: string | null,
@@ -86,9 +82,7 @@ function Item({
       }
       isActive={isActive}
     >
-      <IconWrapper isActive={isActive} mr={2}>
-        {icon || null}
-      </IconWrapper>
+      {icon && <Icon fontSize={3} color={isActive ? 'blue' : void 0} name={icon} />}
       <div>
         <Text fontWeight="bold" fontSize={1}>
           {children}
diff --git a/src/components/SideBar/index.js b/src/components/SideBar/index.js
index 07da6439..e4f9fe4f 100644
--- a/src/components/SideBar/index.js
+++ b/src/components/SideBar/index.js
@@ -30,7 +30,7 @@ const Container = styled(Box).attrs({
   noShrink: true,
 })`
   background-color: ${p => rgba(p.theme.colors[p.bg], process.platform === 'darwin' ? 0.4 : 1)};
-  width: 250px;
+  width: ${p => p.theme.sizes.sideBarWidth}px;
 `
 
 const BtnAddAccount = styled(Box).attrs({
@@ -67,10 +67,18 @@ class SideBar extends PureComponent<Props> {
           <Box flow={2}>
             <CapsSubtitle>{'Menu'}</CapsSubtitle>
             <div>
-              <Item linkTo="/">{'Dashboard'}</Item>
-              <Item modal="send">{'Send'}</Item>
-              <Item modal="receive">{'Receive'}</Item>
-              <Item linkTo="/settings">{'Settings'}</Item>
+              <Item icon="bar-chart" linkTo="/">
+                {'Dashboard'}
+              </Item>
+              <Item icon="upload" modal="send">
+                {'Send'}
+              </Item>
+              <Item icon="download" modal="receive">
+                {'Receive'}
+              </Item>
+              <Item icon="cog" linkTo="/settings">
+                {'Settings'}
+              </Item>
             </div>
           </Box>
           <Box flow={2}>
diff --git a/src/components/TopBar.js b/src/components/TopBar.js
index f5a97986..beb0f983 100644
--- a/src/components/TopBar.js
+++ b/src/components/TopBar.js
@@ -5,7 +5,7 @@ import { connect } from 'react-redux'
 import { ipcRenderer } from 'electron'
 
 import type { MapStateToProps, MapDispatchToProps } from 'react-redux'
-import type { Device, Devices } from 'types/common'
+import type { Devices } from 'types/common'
 import type { SetCurrentDevice } from 'actions/devices'
 
 import { getDevices, getCurrentDevice } from 'reducers/devices'
@@ -14,7 +14,6 @@ import { lock } from 'reducers/application'
 import { hasPassword } from 'reducers/settings'
 
 import Box from 'components/base/Box'
-import Overlay from 'components/base/Overlay'
 
 const mapStateToProps: MapStateToProps<*, *, *> = state => ({
   devices: getDevices(state),
@@ -32,21 +31,16 @@ type Props = {
   lock: Function,
   hasPassword: boolean,
   devices: Devices,
-  currentDevice: Device,
 }
 type State = {
-  changeDevice: boolean,
   sync: {
     progress: null | boolean,
     fail: boolean,
   },
 }
 
-const hasDevices = props => props.currentDevice === null && props.devices.length > 0
-
 class TopBar extends PureComponent<Props, State> {
   state = {
-    changeDevice: hasDevices(this.props),
     sync: {
       progress: null,
       fail: false,
@@ -57,14 +51,6 @@ class TopBar extends PureComponent<Props, State> {
     ipcRenderer.on('msg', this.handleAccountSync)
   }
 
-  componentWillReceiveProps(nextProps) {
-    if (hasDevices(nextProps) && this.props.currentDevice !== null) {
-      this.setState({
-        changeDevice: true,
-      })
-    }
-  }
-
   componentWillUnmount() {
     ipcRenderer.removeListener('msg', this.handleAccountSync)
   }
@@ -98,48 +84,20 @@ class TopBar extends PureComponent<Props, State> {
     }
   }
 
-  handleChangeDevice = () => {
-    const { devices } = this.props
-
-    if (devices.length > 0) {
-      this.setState({
-        changeDevice: true,
-      })
-    }
-  }
-
   handleSelectDevice = device => () => {
     const { setCurrentDevice } = this.props
 
     setCurrentDevice(device)
-
-    this.setState({
-      changeDevice: false,
-    })
   }
 
   handleLock = () => this.props.lock()
 
   render() {
     const { devices, hasPassword } = this.props
-    const { changeDevice, sync } = this.state
+    const { sync } = this.state
 
     return (
       <Fragment>
-        {changeDevice && (
-          <Overlay p={20}>
-            {devices.map(device => (
-              <Box
-                key={device.path}
-                color="white"
-                bg="night"
-                onClick={this.handleSelectDevice(device)}
-              >
-                {device.path}
-              </Box>
-            ))}
-          </Overlay>
-        )}
         <Box bg="white" noShrink style={{ height: 60, zIndex: 20 }} align="center" horizontal>
           <Box grow>
             {sync.progress === true
@@ -148,7 +106,7 @@ class TopBar extends PureComponent<Props, State> {
           </Box>
           <Box justify="flex-end" horizontal>
             {hasPassword && <LockApplication onLock={this.handleLock} />}
-            <CountDevices count={devices.length} onChangeDevice={this.handleChangeDevice} />
+            <CountDevices count={devices.length} />
           </Box>
         </Box>
       </Fragment>
@@ -156,15 +114,8 @@ class TopBar extends PureComponent<Props, State> {
   }
 }
 
-const CountDevices = ({ count, onChangeDevice } = { count: Number, onChangeDevice: Function }) => (
-  <Box
-    color="night"
-    mr={20}
-    horizontal
-    flow={10}
-    onClick={onChangeDevice}
-    style={{ cursor: 'pointer' }}
-  >
+const CountDevices = ({ count } = { count: Number }) => (
+  <Box color="night" mr={20} horizontal flow={10}>
     <Box>
       <DeviceIcon height={20} width={20} />
     </Box>
diff --git a/src/components/base/Button.js b/src/components/base/Button.js
deleted file mode 100644
index 729b9b28..00000000
--- a/src/components/base/Button.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// @flow
-
-import styled from 'styled-components'
-import { color } from 'styled-system'
-
-export default styled.button`
-  border: none;
-  height: 50px;
-  padding: 0 20px;
-
-  ${color};
-`
diff --git a/src/components/base/Button/index.js b/src/components/base/Button/index.js
new file mode 100644
index 00000000..9e6665c2
--- /dev/null
+++ b/src/components/base/Button/index.js
@@ -0,0 +1,37 @@
+// @flow
+
+import React from 'react'
+import styled from 'styled-components'
+import { space, fontSize, fontWeight, color } from 'styled-system'
+
+const Base = styled.button.attrs({
+  px: 4,
+  fontSize: 1,
+})`
+  ${space};
+  ${color};
+  ${fontSize};
+  ${fontWeight};
+  border-radius: 5px;
+  border: none;
+  height: 40px;
+  box-shadow: ${p => (p.withShadow ? 'rgba(0, 0, 0, 0.2) 0 3px 10px' : '')};
+  outline: none;
+`
+
+type Props = {
+  primary?: boolean,
+}
+
+const Button = ({ primary, ...props }: Props) => {
+  if (primary) {
+    return <Base fontWeight="bold" color="white" bg="blue" withShadow {...props} />
+  }
+  return <Base {...props} />
+}
+
+Button.defaultProps = {
+  primary: false,
+}
+
+export default Button
diff --git a/src/components/base/Button/stories.js b/src/components/base/Button/stories.js
new file mode 100644
index 00000000..afad1735
--- /dev/null
+++ b/src/components/base/Button/stories.js
@@ -0,0 +1,9 @@
+import React from 'react'
+import { storiesOf } from '@storybook/react'
+
+import Button from 'components/base/Button'
+
+const stories = storiesOf('Button', module)
+
+stories.add('basic', () => <Button>{'Do some action'}</Button>)
+stories.add('primary', () => <Button primary>{'Validate'}</Button>)
diff --git a/src/components/base/Icon.js b/src/components/base/Icon.js
new file mode 100644
index 00000000..6d441189
--- /dev/null
+++ b/src/components/base/Icon.js
@@ -0,0 +1,17 @@
+// @flow
+
+import React from 'react'
+import styled from 'styled-components'
+import { fontSize, color } from 'styled-system'
+
+const Container = styled.div`
+  ${fontSize};
+  ${color};
+  line-height: 1;
+`
+
+export default ({ name, ...props }: { name: string }) => (
+  <Container {...props}>
+    <i className={`fa fa-${name}`} />
+  </Container>
+)
diff --git a/src/components/base/Label.js b/src/components/base/Label.js
index bd87fd78..38203370 100644
--- a/src/components/base/Label.js
+++ b/src/components/base/Label.js
@@ -1,6 +1,11 @@
 import styled from 'styled-components'
+import { fontSize } from 'styled-system'
 
-export default styled.label`
+export default styled.label.attrs({
+  fontSize: 0,
+})`
+  ${fontSize};
   display: block;
   text-transform: uppercase;
+  letter-spacing: 1px;
 `
diff --git a/src/components/base/Modal/index.js b/src/components/base/Modal/index.js
index a368900e..07abf42c 100644
--- a/src/components/base/Modal/index.js
+++ b/src/components/base/Modal/index.js
@@ -16,11 +16,13 @@ import { rgba } from 'styles/helpers'
 import { closeModal, isModalOpened } from 'reducers/modals'
 
 import Box from 'components/base/Box'
+import Icon from 'components/base/Icon'
 
 type Props = {
   isOpened?: boolean,
   onClose: Function,
-  preventBackdropClick: boolean,
+  preventBackdropClick?: boolean,
+  preventSideMargin?: boolean,
   render: Function,
 }
 
@@ -42,6 +44,7 @@ const mapDispatchToProps = (dispatch, { name, onClose = noop }) => ({
 })
 
 const Container = styled(Box).attrs({
+  color: 'grey',
   align: 'center',
   justify: 'flex-start',
   sticky: true,
@@ -73,26 +76,42 @@ const Wrapper = styled(Box).attrs({
     transform: `translate3d(0, ${p.offset}px, 0)`,
   }),
 })`
-  width: 430px;
+  margin-left: ${p => (p.preventSideMargin ? 0 : p.theme.sizes.sideBarWidth)}px;
+  width: 570px;
   z-index: 2;
 `
 
 const Body = styled(Box).attrs({
   bg: p => p.theme.colors.white,
-  p: 20,
+  p: 3,
 })`
   border-radius: 5px;
 `
 
+const CloseContainer = styled(Box).attrs({
+  p: 2,
+  color: 'mouse',
+})`
+  cursor: pointer;
+  position: absolute;
+  top: 0;
+  right: 0;
+
+  &:hover {
+    color: ${p => p.theme.colors.grey};
+  }
+`
+
 export class Modal extends PureComponent<Props> {
   static defaultProps = {
     onClose: noop,
-    preventBackdropClick: true,
+    preventBackdropClick: false,
+    preventSideMargin: false,
     isOpened: false,
   }
 
   render() {
-    const { preventBackdropClick, isOpened, onClose, render } = this.props
+    const { preventBackdropClick, preventSideMargin, isOpened, onClose, render } = this.props
     return (
       <Mortal
         isOpened={isOpened}
@@ -105,7 +124,7 @@ export class Modal extends PureComponent<Props> {
         {(m, isVisible) => (
           <Container isVisible={isVisible}>
             <Backdrop op={m.opacity} onClick={preventBackdropClick ? undefined : onClose} />
-            <Wrapper op={m.opacity} offset={m.y}>
+            <Wrapper preventSideMargin={preventSideMargin} op={m.opacity} offset={m.y}>
               {render({ onClose })}
             </Wrapper>
           </Container>
@@ -118,17 +137,18 @@ export class Modal extends PureComponent<Props> {
 export const ModalBody = ({
   children,
   onClose,
+  ...props
 }: {
   children: Element<any> | string,
   onClose?: Function,
 }) => (
   <Body>
     {onClose && (
-      <Box align="flex-end">
-        <Box onClick={onClose}>[x]</Box>
-      </Box>
+      <CloseContainer onClick={onClose}>
+        <Icon fontSize={3} name="times" />
+      </CloseContainer>
     )}
-    {children}
+    <Box {...props}>{children}</Box>
   </Body>
 )
 
diff --git a/src/components/base/Modal/stories.js b/src/components/base/Modal/stories.js
index 09eb8217..6abd2d47 100644
--- a/src/components/base/Modal/stories.js
+++ b/src/components/base/Modal/stories.js
@@ -8,9 +8,11 @@ const stories = storiesOf('Modal', module)
 
 stories.add('basic', () => {
   const isOpened = boolean('isOpened', true)
+  const preventSideMargin = boolean('preventSideMargin', true)
   return (
     <Modal
       isOpened={isOpened}
+      preventSideMargin={preventSideMargin}
       render={({ onClose }) => (
         <Fragment>
           <ModalBody>Hey!</ModalBody>
diff --git a/src/components/base/Tabs/index.js b/src/components/base/Tabs/index.js
index 3d01824b..2d257506 100644
--- a/src/components/base/Tabs/index.js
+++ b/src/components/base/Tabs/index.js
@@ -16,15 +16,17 @@ const Tab = styled(Tabbable).attrs({
 })`
   border-bottom: 2px solid transparent;
   border-bottom-color: ${p => (p.isActive ? p.theme.colors.blue : '')};
-  color: ${p => (p.isActive ? p.theme.colors.blue : p.theme.colors.steel)};
+  color: ${p =>
+    p.isActive ? p.theme.colors.blue : p.isDisabled ? p.theme.colors.grey : p.theme.colors.steel};
   margin-bottom: -1px;
   outline: none;
-  cursor: ${p => (p.isActive ? 'default' : 'pointer')};
+  cursor: ${p => (p.isActive ? 'default' : p.isDisabled ? 'not-allowed' : 'pointer')};
   max-width: 200px;
 `
 
 type Item = {
   key: string | number,
+  isDisabled?: boolean,
   title: string | Element<any>,
   render: () => Element<any>,
 }
@@ -39,7 +41,12 @@ const Tabs = ({ items, index, onTabClick }: Props) => (
   <Fragment>
     <Box horizontal borderBottom borderWidth={1} borderColor="argile">
       {items.map((item, i) => (
-        <Tab key={item.key} isActive={index === i} onClick={() => onTabClick(i)}>
+        <Tab
+          key={item.key}
+          isDisabled={item.isDisabled}
+          isActive={index === i}
+          onClick={item.isDisabled ? void 0 : () => onTabClick(i)}
+        >
           {item.title}
         </Tab>
       ))}
diff --git a/src/components/modals/AddAccount.js b/src/components/modals/AddAccount.js
index 9770cfa9..ab92db2c 100644
--- a/src/components/modals/AddAccount.js
+++ b/src/components/modals/AddAccount.js
@@ -14,6 +14,8 @@ import { sendEvent } from 'renderer/events'
 
 import { addAccount } from 'actions/accounts'
 
+import Box from 'components/base/Box'
+import Text from 'components/base/Text'
 import Button from 'components/base/Button'
 import Input from 'components/base/Input'
 import Label from 'components/base/Label'
@@ -23,25 +25,31 @@ import Select from 'components/base/Select'
 const Steps = {
   createAccount: (props: Object) => (
     <form onSubmit={props.onSubmit}>
-      <div>
-        <Label>Currency</Label>
-        <Select
-          placeholder="Choose a wallet..."
-          onChange={item => props.onChangeInput('wallet')(item.key)}
-          renderSelected={item => item.name}
-          items={[
-            {
-              key: 'btc',
-              name: 'Bitcoin',
-            },
-          ]}
-        />
-      </div>
-      <div>
-        <Label>Account name</Label>
-        <Input onChange={props.onChangeInput('accountName')} value={props.value.accountName} />
-      </div>
-      <Button type="submit">Create account</Button>
+      <Box flow={3}>
+        <Box flow={1}>
+          <Label>Currency</Label>
+          <Select
+            placeholder="Choose a wallet..."
+            onChange={item => props.onChangeInput('wallet')(item.key)}
+            renderSelected={item => item.name}
+            items={[
+              {
+                key: 'btc',
+                name: 'Bitcoin',
+              },
+            ]}
+          />
+        </Box>
+        <Box flow={1}>
+          <Label>Account name</Label>
+          <Input onChange={props.onChangeInput('accountName')} value={props.value.accountName} />
+        </Box>
+        <Box horizontal justify="flex-end">
+          <Button primary type="submit">
+            Create account
+          </Button>
+        </Box>
+      </Box>
     </form>
   ),
   connectDevice: () => <div>Connect your Ledger</div>,
@@ -270,7 +278,10 @@ class AddAccountModal extends PureComponent<Props, State> {
         preventBackdropClick
         onClose={this.handleClose}
         render={({ onClose }) => (
-          <ModalBody onClose={onClose}>
+          <ModalBody onClose={onClose} flow={3}>
+            <Text fontSize={4} color="steel">
+              {'Add account'}
+            </Text>
             <Step {...this.getStepProps()} />
           </ModalBody>
         )}
diff --git a/src/renderer/head.js b/src/renderer/head.js
new file mode 100644
index 00000000..f1ff7bf7
--- /dev/null
+++ b/src/renderer/head.js
@@ -0,0 +1,8 @@
+const list = ['https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css']
+
+list.forEach(href => {
+  const tag = document.createElement('link')
+  tag.setAttribute('rel', 'stylesheet')
+  tag.setAttribute('href', href)
+  document.head.appendChild(tag)
+})
diff --git a/src/renderer/index.js b/src/renderer/index.js
index eb26a1a0..20da31e8 100644
--- a/src/renderer/index.js
+++ b/src/renderer/index.js
@@ -17,6 +17,7 @@ import { getLanguage } from 'reducers/settings'
 import App from 'components/App'
 
 import 'styles/global'
+import 'renderer/head'
 
 if (__PROD__ && __SENTRY_URL__) {
   Raven.config(__SENTRY_URL__, { allowSecretKey: true }).install()
diff --git a/src/styles/theme.js b/src/styles/theme.js
index a5805549..0e50215e 100644
--- a/src/styles/theme.js
+++ b/src/styles/theme.js
@@ -1,6 +1,9 @@
 // @flow
 
 export default {
+  sizes: {
+    sideBarWidth: 250,
+  },
   colors: {
     black: '#000000',
     white: '#ffffff',
@@ -8,7 +11,7 @@ export default {
     argile: '#eeeeee',
     blue: '#6193ff',
     cream: '#f9f9f9',
-    gray: '#a8b6c2',
+    grey: '#a8b6c2',
     grenade: '#ea2e49',
     lead: '#999999',
     mouse: '#e2e2e2',