fix: bookmark bg blur bg

chrome/browser/navbar.css

···
             width: 100% !important;
             background-color: transparent !important;
             z-index: 100 !important;
+            background-color: var(--uc-bg-tran) !important;
+        }
+        #PersonalToolbar {
+            position: relative !important;
         }
         
         #nav-bar::before,
···
             left: 0;
             width: 100%;
             height: 100%;
-            background-color: var(--uc-bg-tran) !important;
+            background: transparent !important;
             backdrop-filter: blur(var(--uc-blur-radius)) !important;
             z-index: -1 !important;
         }