html,body{
height: auto;
min-height: 100%;
}
.sign{
padding-top: 10px;
padding-right: 10px;
padding-bottom: 10px;
padding-left: 60px;
outline:5px dashed yellow;
-moz-outline-radius:15px;
font-family: 微软雅黑;
color:#454346;
background:#bd77da;
}

.top {
        width: 50px;
        height: 37px;       
        cursor: pointer; 
        color: white;
        text-align: center;
        padding-top: 13px;
        position: fixed;
        right: 100px;
        bottom: 50px;
        display: none;
    }
    
    .top:hover {
       -webkit-filter: brightness(200%); /* Safari 6.0 - 9.0 */
       filter: brightness(200%);
    }
 #zhuochong{
position: fixed;
z-index: 999999;
bottom:0;l
eft:-100px;
opacity: 0.9;
transform:scaleX(-1);
animation-direction: alternate;
animation-timing-function: linear;
}
.second{  
  position:fixed;
  visibility:hidden;
  background:#fff7c9;
  outline:5px dashed yellow; 
  outline-offset: 10px; 
  color:#bd77da;
  font-weight: bold;
  font-size: 30px;
}