diff --git a/src/components/Author/styles.ts b/src/components/Author/styles.ts
index 9fec8fc..b6b8d6c 100644
--- a/src/components/Author/styles.ts
+++ b/src/components/Author/styles.ts
@@ -1,10 +1,11 @@
 import styled from 'react-emotion';
 import ListItem from '@material-ui/core/ListItem';
 import Typography from '@material-ui/core/Typography';
+import { fontWeight } from '../../utils/styles/sizes';
 
 export const Heading = styled(Typography)({
   '&&': {
-    fontWeight: 700,
+    fontWeight: fontWeight.bold,
     textTransform: 'capitalize',
   },
 });
diff --git a/src/components/Developers/styles.ts b/src/components/Developers/styles.ts
index e4dc92b..aa2fc23 100644
--- a/src/components/Developers/styles.ts
+++ b/src/components/Developers/styles.ts
@@ -2,6 +2,7 @@ import styled from 'react-emotion';
 import Typography from '@material-ui/core/Typography';
 import { default as MuiFab } from '@material-ui/core/Fab';
 import colors from '../../utils/styles/colors';
+import { fontWeight } from '../../utils/styles/sizes';
 
 export const Details = styled('span')({
   display: 'flex',
@@ -20,7 +21,7 @@ export const Content = styled('div')({
 
 export const Heading = styled(Typography)({
   '&&': {
-    fontWeight: 700,
+    fontWeight: fontWeight.bold,
     marginBottom: '10px',
     textTransform: 'capitalize',
   },
diff --git a/src/components/Dist/styles.ts b/src/components/Dist/styles.ts
index 4100799..1ca45c5 100644
--- a/src/components/Dist/styles.ts
+++ b/src/components/Dist/styles.ts
@@ -5,10 +5,11 @@ import ListItem from '@material-ui/core/ListItem';
 import Typography from '@material-ui/core/Typography';
 
 import colors from '../../utils/styles/colors';
+import { fontWeight } from '../../utils/styles/sizes';
 
 export const Heading = styled(Typography)({
   '&&': {
-    fontWeight: 700,
+    fontWeight: fontWeight.bold,
     textTransform: 'capitalize',
   },
 });
diff --git a/src/components/Engines/styles.ts b/src/components/Engines/styles.ts
index 69b3d24..e9c3104 100644
--- a/src/components/Engines/styles.ts
+++ b/src/components/Engines/styles.ts
@@ -1,10 +1,11 @@
 import styled from 'react-emotion';
 import ListItem from '@material-ui/core/ListItem';
 import Typography from '@material-ui/core/Typography';
+import { fontWeight } from '../../utils/styles/sizes';
 
 export const Heading = styled(Typography)({
   '&&': {
-    fontWeight: 700,
+    fontWeight: fontWeight.bold,
     textTransform: 'capitalize',
   },
 });
diff --git a/src/components/Header/styles.ts b/src/components/Header/styles.ts
index 3c4ad73..ad7d9c1 100644
--- a/src/components/Header/styles.ts
+++ b/src/components/Header/styles.ts
@@ -49,7 +49,7 @@ export const InnerMobileNavBar = styled('div')({
     backgroundColor: colors.greyLight,
     color: colors.white,
     width: '100%',
-    padding: '0px 5px',
+    padding: '0 5px',
     margin: '0 10px 0 0',
   },
 });
diff --git a/src/components/Layout/Layout.tsx b/src/components/Layout/Layout.tsx
index f8f9296..968e78f 100644
--- a/src/components/Layout/Layout.tsx
+++ b/src/components/Layout/Layout.tsx
@@ -1,8 +1,9 @@
 import styled, { css } from 'react-emotion';
+import colors from '../../utils/styles/colors';
 
 export const Content = styled('div')({
   '&&': {
-    backgroundColor: '#ffffff',
+    backgroundColor: colors.white,
     flex: 1,
     display: 'flex',
     position: 'relative',
diff --git a/src/components/Package/styles.ts b/src/components/Package/styles.ts
index 7650835..482af45 100644
--- a/src/components/Package/styles.ts
+++ b/src/components/Package/styles.ts
@@ -36,7 +36,7 @@ export const OverviewItem = styled('span')`
 
 export const Icon = styled(Ico)({
   '&&': {
-    margin: '2px 10px 0px 0',
+    margin: '2px 10px 0 0',
     fill: colors.greyLight2,
   },
 });
@@ -44,7 +44,7 @@ export const Icon = styled(Ico)({
 export const Published = styled('span')({
   '&&': {
     color: colors.greyLight2,
-    margin: '0px 5px 0px 0px',
+    margin: '0 5px 0 0',
   },
 });