.zan-toast{position:fixed;top:35%;left:20%;transform:translateZ(0) translateY(-100%);background:rgba(0,0,0,.7);color:#fff;font-size:14px;width:60%;line-height:1.5em;margin:0 auto;box-sizing:border-box;padding:10px;text-align:center;border-radius:4px;z-index:100}