.image-cc-circle-emoj,.image-cc-circle-emoj-gray{width:20px;background-image:url(/study-circle/imgs/sprite.png)}.image-cc-circle-emoj-gray{background-position:-20px 0;height:20px}.image-cc-circle-emoj{background-position:0 0;height:21px}.image-cc-circle-upload-img{background-image:url(/study-circle/imgs/sprite.png);background-position:0 -21px;width:18px;height:19px}.image-circle-hot,.image-three-dot{background-image:url(/study-circle/imgs/sprite.png);width:12px}.image-circle-hot{background-position:-18px -21px;height:16px}.image-three-dot{background-position:-18px -37px;height:2px}