One toolbar color per app

www/drive/file.less

@@ -533,6 +533,8 @@ span {
     z-index: 100;
     box-sizing: content-box;
     padding: 0 6px;
+    display: flex;
+    flex-flow: row;
 
     .newPadContainer {
         display: inline-block;
@@ -549,15 +551,10 @@ span {
             font-family: FontAwesome;
         }
         &.element {
-            border-radius: 2px;
-            background: @toolbar-button-bg;
-            color: @toolbar-button-fg;
-            font-size: 14px;
-            border: 1px solid @toolbar-button-border;
-            font-weight: bold;
-            &:hover {
-                background: @toolbar-button-bg-hover;
-            }
+            height: 26px;
+            width: 26px;
+            padding: 0;
+            box-sizing: border-box;
         }
         &.new {
             padding: 0 5px;
@@ -588,7 +585,7 @@ span {
     }
 
     .leftside {
-        width: 250px;
+        width: auto;
         margin: 0;
         padding: 0;
         display: inline-block;
@@ -600,6 +597,7 @@ span {
         float: right;
     }
     .path {
+        flex: 1;
         width: 100%;
         height: 30px;
         line-height: 30px;