html{
    padding: 0;
    margin: 0;
    height: 100%;
}
body{
    padding: 0;
    margin: 0;
    height: 100%;
}
ul li{list-style: none}

.mianbody {
    background: url("../images/login.jpg") no-repeat;
    background-size: cover;
    height: 100%;
}

.dlk { width:600px; margin:8% auto 0 auto;}

.con{  padding:5rem; border:1px solid #0176c3; background-color:rgba(0,40,100,0.3); border-radius:20px;}
.con-title{ font-size:30px; color:white; text-align: center;}
.con-titles{ justify-content:center;}
.con-titles input{ width: 100%; min-height: 50px; margin-top:20px; font-size:16px; border-radius:10px; border:0; padding-left:10px;}
.con-from{position: relative}
.code{  position: absolute; bottom: 5px; right: 1%;}
.btn {}