More adjustments on the welcome route

src/routes/welcome/components/Layout.jsx

@@ -33,10 +33,10 @@ export const CreateSafe = ({ size, provider }: SafeProps) => (
     size={size || 'medium'}
     color="primary"
     disabled={!provider}
-    minWidth={275}
+    minWidth={240}
   >
     <Img src={plus} height={16} alt="Safe" />
-    <div style={buttonStyle}>Create a new Safe</div>
+    <div style={buttonStyle}>Create new Safe</div>
   </Button>
 )
 
@@ -48,7 +48,7 @@ export const LoadSafe = ({ size, provider }: SafeProps) => (
     size={size || 'medium'}
     color="primary"
     disabled={!provider}
-    minWidth={275}
+    minWidth={240}
   >
     <Img src={safe} height={16} alt="Safe" />
     <div style={buttonStyle}>Load existing Safe</div>

src/theme/mui.js

@@ -1,7 +1,7 @@
 // @flow
 import red from '@material-ui/core/colors/red'
 import { createMuiTheme } from '@material-ui/core/styles'
-import { mediumFontSize, primary, secondary, md, xl } from './variables'
+import { mediumFontSize, primary, secondary, md, lg } from './variables'
 
 export type WithStyles = {
   classes: Object,
@@ -35,7 +35,7 @@ export default createMuiTheme({
         backgroundColor: '#467ee5',
       },
       sizeLarge: {
-        padding: `${md} ${xl}`,
+        padding: `${md} ${lg}`,
         minHeight: '52px',
         fontSize: mediumFontSize,
       },