#loading{bottom:0;left:0;position:fixed;right:0;top:0;z-index:9999;background-color:#f4f5f5;pointer-events:none;}.loader-inner{will-change:transform;width:40px;height:40px;position:absolute;top:50%;left:50%;margin:-20px 0 0 -20px;background-color:#3742fa;border-radius:50%;animation:scaleout 0.6s infinite ease-in-out forwards;text-indent:-99999px;z-index:999991;}@keyframes scaleout{0%{transform:scale(0);opacity:0;}40%{opacity:1;}100%{transform:scale(1);opacity:0;}}
#cnblogs_post_body .video{
    height: 0;
    padding-bottom: 56.25%;  /* 16:9 */
    position: relative;
    width: 100%;
}
 
#cnblogs_post_body .video iframe{
position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}