improve(ui): right fold-down button

src/main/frontend/components/theme.css

@@ -116,10 +116,10 @@ html.is-resizing-buf {
 
 main.ls-fold-button-on-right {
   #main-content-container {
-    padding-right:18px;
+    padding-right: 18px;
     padding-left: 18px;
     padding-top: 4px;
-    
+
     .page-blocks-inner {
       margin-left: 0 !important;
     }
@@ -141,7 +141,9 @@ main.ls-fold-button-on-right {
 
   .ls-block {
     .block-control {
-      @apply absolute -right-3 pr-2 top-1 bottom-1;
+      @apply absolute -right-3 pr-2 top-1 bottom-1 z-[1] active:opacity-100;
+
+      -webkit-tap-highlight-color: transparent;
 
       .rotating-arrow.collapsed svg {
         transform: rotate(180deg);