Tweak coarse pointer drag styles

Author: bvaughn

packages/react-resizable-panels-website/src/components/ResizeHandle.module.css

@@ -13,12 +13,18 @@
   color: var(--color-resize-bar-active);
 }
 
+.ResizeHandle .ResizeHandleThumb[data-direction="vertical"] {
+  rotate: 90deg;
+}
+
 @media (pointer: coarse) {
   .ResizeHandle {
-    flex: 0 0 1rem;
+    flex: 0 0 2rem;
   }
-}
 
-.ResizeHandle .ResizeHandleThumb[data-direction="vertical"] {
-  rotate: 90deg;
+  .ResizeHandle .ResizeHandleThumb {
+    flex: 0 0 1.25rem;
+    height: 1.25rem;
+    width: 1.25rem;
+  }
 }