diff --git a/src/client/styles/global.less b/src/client/styles/global.less
index 3488e1b..4387a1b 100644
--- a/src/client/styles/global.less
+++ b/src/client/styles/global.less
@@ -4,7 +4,7 @@
     top: 0;
     height: 100%;
     right: 0;
-    width: 2px;
+    width: 4px;
     cursor: col-resize;
     user-select: none;
     touch-action: none;