.syno-share-filter-btn em button{background-color:transparent;background-image:url("images/default/1x/icon_filter.png?v=0821052016174110");background-position:center 1px;outline:none;height:24px}@media (-webkit-min-device-pixel-ratio: 1.5), (-o-min-device-pixel-ratio: 3 / 2), (min-resolution: 144dpi){.synohdpack .syno-share-filter-btn em button{background-image:url("images/default/2x/icon_filter.png?v=0821052016174110");background-size:24px 24px}}@media (-webkit-min-device-pixel-ratio: 1.5), (-o-min-device-pixel-ratio: 3 / 2), (min-resolution: 144dpi){.synohdpackdebug .syno-share-filter-btn em button{background-image:url("images/default/2x/icon_filter.png?v=0821052016174110");background-size:24px 24px;outline:1px green dashed}}