+/* Twisty and checkbox controls */
+.theme-twisty, .theme-checkbox {
+ width: 14px;
+ height: 14px;
+ background-repeat: no-repeat;
+ background-image: url("chrome://browser/skin/devtools/controls.png");
+ background-size: 28px 28px;
+}
+
+.theme-twisty {
+ cursor: pointer;
+ background-position: -0px -14px;
+}
+
+.theme-twisty:-moz-focusring {
+ outline-style: none;
+}
+
+.theme-twisty[open] {
+ background-position: -14px -14px;
+}
+
+.theme-checkbox {
+ display: inline-block;
+ border: 0;
+ padding: 0;
+ outline: none;
+ background-position: 0 0;
+}
+
+.theme-checkbox[checked] {
+ background-position: -14px 0;
+}
+
+@media (min-resolution: 2dppx) {
+ .theme-twisty, .theme-checkbox {
+ background-image: url("chrome://browser/skin/devtools/controls@2x.png");
+ }
+}
+