Improves CSS for `branch-commit` class

app/assets/stylesheets/pages/pipelines.scss

@@ -22,6 +22,11 @@
 
   .table.builds {
     min-width: 1200px;
+
+    .branch-commit {
+      width: 33%;
+    }
+
   }
 }
 
@@ -39,10 +44,6 @@
   overflow: auto;
 }
 
-.pipelines .table.builds .branch-commit {
-  width: 33%;
-}
-
 .table.builds {
   min-width: 900px;