diff --git a/js/src/ui/Container/container.css b/js/src/ui/Container/container.css
index bb252b9994b..e5740645fe1 100644
--- a/js/src/ui/Container/container.css
+++ b/js/src/ui/Container/container.css
@@ -20,5 +20,5 @@
 
 .padded {
   padding: 1em;
-  background: rgba(0, 0, 0, 0.5) !important;
+  background: rgba(0, 0, 0, 0.7) !important;
 }
diff --git a/js/src/ui/Theme/theme.js b/js/src/ui/Theme/theme.js
index 491990f11c7..b9faa3f3b88 100644
--- a/js/src/ui/Theme/theme.js
+++ b/js/src/ui/Theme/theme.js
@@ -33,7 +33,7 @@ muiTheme.tabs.selectedTextColor = 'rgb(255, 255, 255)'; // 'rgb(0, 151, 167)'; /
 muiTheme.tabs.textColor = 'rgb(0, 151, 167)'; // 'rgba(255, 255, 255, 1)'; // 'rgba(0, 151, 167, 1)';
 muiTheme.textField.disabledTextColor = muiTheme.textField.textColor;
 muiTheme.toolbar = lightTheme.toolbar;
-muiTheme.toolbar.backgroundColor = 'rgba(0, 0, 0, 0.5)'; // 'rgba(255, 136, 0, 0.5)'; // 'rgb(80, 80, 80)';
+muiTheme.toolbar.backgroundColor = 'rgba(0, 0, 0, 0.7)'; // 'rgba(255, 136, 0, 0.5)'; // 'rgb(80, 80, 80)';
 
 muiTheme.parity = {
   backgroundSeed: '0x0',
diff --git a/js/src/views/Application/TabBar/tabBar.css b/js/src/views/Application/TabBar/tabBar.css
index dcae06ac788..61f58aea3b7 100644
--- a/js/src/views/Application/TabBar/tabBar.css
+++ b/js/src/views/Application/TabBar/tabBar.css
@@ -37,7 +37,7 @@
 
 button.tabactive,
 button.tabactive:hover {
-  background: rgba(0, 0, 0, 0.5) !important;
+  background: rgba(0, 0, 0, 0.7) !important;
   border-radius: 4px 4px 0 0;
 }
 
diff --git a/js/src/views/Application/application.css b/js/src/views/Application/application.css
index a1cde11ea46..a9f6d4f7ed5 100644
--- a/js/src/views/Application/application.css
+++ b/js/src/views/Application/application.css
@@ -15,6 +15,6 @@
 /* along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 */
 .container {
-  height: 100%;
+  min-height: 100%;
   width: 100%;
 }