-.devtools-toolbarbutton:not([label]):hover > image,
-.devtools-toolbarbutton:not([label]):hover:active > image,
-.devtools-toolbarbutton:not([label])[checked=true] > image,
-.devtools-toolbarbutton:not([label])[open=true] > image {
+.devtools-button[standalone] > image,
+.devtools-button[data-standalone] > image,
+.devtools-toolbarbutton[standalone] > image,
+.devtools-toolbarbutton[data-standalone] > image,
+.devtools-toolbarbutton:not([disabled]):hover > image,
+.devtools-toolbarbutton:not([disabled]):hover:active > image,
+.devtools-toolbarbutton[checked=true] > image,
+.devtools-toolbarbutton[open=true] > image {
+ filter: url(images/filters.svg#checked-icon-state);
+}
+
+#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,
+#toolbox-close:hover > image,
+#toolbox-close:hover:active > image,
+.toolbox-dock-button:hover > image,
+.toolbox-dock-button:hover:active > image,
+.command-button:hover > image,
+.command-button:hover:active > image,
+.command-button[checked=true] > image,
+.command-button[open=true] > image {