.yh-progress-box{position:relative;border-radius:50%}.yh-progress-box .yh-progress-bottom,.yh-progress-box .yh-progress-top{position:absolute;z-index:inherit;transform:rotate(-90deg)}.hasmask{width:100%;height:100%;background-color:rgba(0,0,0,.3);position:fixed;top:0;left:0}.hasmask .yh-progress-box{top:50%;left:50%;transform:translate(-50%,-50%)}