.devtools-responsiveui-rotate {
list-style-image: url("chrome://devtools/skin/images/responsiveui-rotate.png");
-moz-image-region: rect(0px,16px,16px,0px);
.devtools-responsiveui-rotate {
list-style-image: url("chrome://devtools/skin/images/responsiveui-rotate.png");
-moz-image-region: rect(0px,16px,16px,0px);