added css variable: border-radius-handler

partials/GridEditor.vue

@@ -1248,10 +1248,11 @@
 
 <style scoped lang="stylus">
   @import '~variables'
-  border-radius = .5rem
+  border-radius-cell = .5rem
+  border-radius-handler = border-radius-cell / 1.75
 
   .clear-button
-    border-radius border-radius
+    border-radius border-radius-cell
     width 42px
     border 1px solid rgba(255, 255, 255, .3)
 
@@ -1260,7 +1261,7 @@
     background-color #eee
 
   .cell-item
-    border-radius border-radius
+    border-radius border-radius-cell
     // backdrop-filter blur(3px)
 
     &
@@ -1376,6 +1377,7 @@
 
   .main-handler
     position absolute
+    border-radius border-radius-handler
     &.hide
       width 0!important
       overflow hidden
@@ -1407,12 +1409,12 @@
       &.left-side
         left gap
         right auto
-        border-radius 0 border-radius border-radius 0
+        border-radius 0 border-radius-handler border-radius-handler 0
       &.right-side
         // left 'calc(100vw - %s)' % handler-width
         left auto
         right gap
-        border-radius border-radius 0 0 border-radius
+        border-radius border-radius-handler 0 0 border-radius-handler
 
 </style>