.addcourse{background:#fff}.addcourse .content{padding:30px}.addcourse .chapterTeacherPhoto{width:100%;height:100%}.addcourse .chapterTeacherPhoto img{width:100%!important}.addcourse .delete_video_icon{position:absolute;top:0;left:130px;z-index:9;cursor:pointer;font-size:20px}