Improved visibility of the toolbar

src/display/display.css

@@ -23,7 +23,7 @@
     top: 0;
     position: absolute;
     gap: 10px;
-    background-color: rgba(100, 100, 100, 0.2);
+    background-color: rgba(150, 150, 150, 0.35);
     border-bottom-right-radius: 20px;
 }
 
@@ -33,4 +33,5 @@
     font-size: 30px;
     transform: rotate(-45deg);
     margin-top: -13px;
+    color: lightgray;
 }
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