Contain contents of each division

ui/src/shared/components/ResizeDivision.tsx

@@ -37,7 +37,7 @@ class Division extends PureComponent<Props> {
     return (
       <div className={this.className} style={this.style}>
         {this.dragHandle}
-        {render()}
+        <div className="resizer--contents">{render()}</div>
       </div>
     )
   }

ui/src/style/components/resizer.scss

@@ -231,8 +231,16 @@ $resizer-color-kapacitor: $c-rainforest;
   }
 }
 
-.resizer--title.horizontal + div {
+.resizer--contents {
+  width: 100%;
+  height: 100%;
+}
+
+.resizer--title + .resizer--contents {
+  width: 100%;
   height: calc(100% - 30px);
   position: absolute;
-  top: 30px;  
+  top: 30px; 
+  overflow: hidden;
 }
+