Fix scroll for scrollable components

Author: lotrien

src/styles/common/overwrite.styl

@@ -26,7 +26,7 @@
     padding: 3px 5px 0
     min-height: 29px
     height: 29px
-    overflow: scroll
+    overflow-y: auto
     border-radius: 3px
     background-color: snippet-header-normal
   &__tag