diff --git a/src/renderer/App.vue b/src/renderer/App.vue
index bee9045c28..6d2ed8f8e3 100644
--- a/src/renderer/App.vue
+++ b/src/renderer/App.vue
@@ -19,6 +19,10 @@
 <style lang="scss">
 body { font-family: 'Noto Sans', sans-serif; }
 
+html, body, #app {
+  background-color: #ffffff;
+}
+
 html, body, #app, #global_header {
   height: 100%;
   margin: 0;
diff --git a/src/renderer/components/TimelineSpace.vue b/src/renderer/components/TimelineSpace.vue
index 2449823bed..defd0f6236 100644
--- a/src/renderer/components/TimelineSpace.vue
+++ b/src/renderer/components/TimelineSpace.vue
@@ -95,7 +95,6 @@ export default {
     top: 0;
     left: 245px;
     height: 48px;
-    background-color: #ffffff;
     border-bottom: solid 1px #dcdfe6;
   }
 }
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
index 159ff234f5..16f6e08c93 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
@@ -92,7 +92,6 @@ function findLink (target) {
 
 .favourite {
   padding: 8px 0 0 16px;
-  background-color: #ffffff;
 
   .action {
     margin-right: 8px;
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Follow.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Follow.vue
index 31536d965d..a9f1f47ad9 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Follow.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Follow.vue
@@ -50,7 +50,6 @@ export default {
 
 .follow {
   padding: 8px 0 0 16px;
-  background-color: #ffffff;
 
   .action {
     margin-right: 8px;
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
index 4f9e50f899..310bbc09c0 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
@@ -92,7 +92,6 @@ function findLink (target) {
 
 .reblog {
   padding: 8px 0 0 16px;
-  background-color: #ffffff;
 
   .action {
     margin-right: 8px;
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
index bf4b29fa36..53e7b5ae63 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
@@ -162,7 +162,6 @@ function findLink (target) {
 
 .toot {
   padding: 4px 0 0 16px;
-  background-color: #ffffff;
 
   .icon {
     float: left;
diff --git a/src/renderer/components/TimelineSpace/Contents/Favourites.vue b/src/renderer/components/TimelineSpace/Contents/Favourites.vue
index 71ba01ec5f..79d1074fb9 100644
--- a/src/renderer/components/TimelineSpace/Contents/Favourites.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Favourites.vue
@@ -64,7 +64,6 @@ export default {
 
 <style lang="scss" scoped>
 .loading-card {
-  background-color: #ffffff;
   height: 60px;
 }
 
diff --git a/src/renderer/components/TimelineSpace/Contents/Home.vue b/src/renderer/components/TimelineSpace/Contents/Home.vue
index da8adda175..47d83c01e8 100644
--- a/src/renderer/components/TimelineSpace/Contents/Home.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Home.vue
@@ -48,7 +48,6 @@ export default {
 
 <style lang="scss" scoped>
 .loading-card {
-  background-color: #ffffff;
   height: 60px;
 }
 
diff --git a/src/renderer/components/TimelineSpace/Contents/Local.vue b/src/renderer/components/TimelineSpace/Contents/Local.vue
index 248dd5cb51..ebf15d8b7f 100644
--- a/src/renderer/components/TimelineSpace/Contents/Local.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Local.vue
@@ -71,7 +71,6 @@ export default {
 
 <style lang="scss" scoped>
 .loading-card {
-  background-color: #ffffff;
   height: 60px;
 }
 
diff --git a/src/renderer/components/TimelineSpace/Contents/Notifications.vue b/src/renderer/components/TimelineSpace/Contents/Notifications.vue
index b186040497..77f154b60c 100644
--- a/src/renderer/components/TimelineSpace/Contents/Notifications.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Notifications.vue
@@ -48,7 +48,6 @@ export default {
 
 <style lang="scss" scoped>
 .loading-card {
-  background-color: #ffffff;
   height: 60px;
 }
 
diff --git a/src/renderer/components/TimelineSpace/Contents/Public.vue b/src/renderer/components/TimelineSpace/Contents/Public.vue
index f22c874d2e..37fb43babc 100644
--- a/src/renderer/components/TimelineSpace/Contents/Public.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Public.vue
@@ -71,7 +71,6 @@ export default {
 
 <style lang="scss" scoped>
 .loading-card {
-  background-color: #ffffff;
   height: 60px;
 }
 
diff --git a/src/renderer/components/TimelineSpace/Contents/SideBar/AccountProfile.vue b/src/renderer/components/TimelineSpace/Contents/SideBar/AccountProfile.vue
index 35c897dd81..37f02e32ba 100644
--- a/src/renderer/components/TimelineSpace/Contents/SideBar/AccountProfile.vue
+++ b/src/renderer/components/TimelineSpace/Contents/SideBar/AccountProfile.vue
@@ -170,7 +170,6 @@ function findLink (target) {
 }
 
 .basic-info {
-  background-color: #ffffff;
   border-top: solid 1px #dcdfe6;
   border-bottom: solid 1px #dcdfe6;
 
diff --git a/src/renderer/components/TimelineSpace/Modals/NewToot.vue b/src/renderer/components/TimelineSpace/Modals/NewToot.vue
index 95cb2950de..90a76153cf 100644
--- a/src/renderer/components/TimelineSpace/Modals/NewToot.vue
+++ b/src/renderer/components/TimelineSpace/Modals/NewToot.vue
@@ -192,7 +192,6 @@ export default {
         width: 100%;
         font-size: inherit;
         color: #606266;
-        background-color: #ffffff;
         background-image: none;
         border: 0;
         border-radius: 4px;