+#toolbox-close:hover::before,
+#toolbox-close:hover:active::before,
+.toolbox-dock-button:hover::before,
+.toolbox-dock-button:hover:active::before,
+.command-button:hover::before,
+.command-button:hover:active::before,
+.command-button[checked=true]::before,
+.command-button[open=true]::before,