body {
    background:url("../images/login/1.jpg") no-repeat center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
*{
    box-sizing: border-box;
}
.pages{
    width: 100vw;
    height: 100vh;
    justify-content:center;
    -webkit-box-pack:center;
    -webkit-box-align:center;
    align-items:center;
    text-align:center;
    -webkit-flex-direction:row;
    display:flex;
}
.content{
    background:rgba(253,253,254,0.8);
    box-shadow: 12px 12px 15px rgba(0,0,0,0.15);
    width: 500px;
}

.login-header{
    margin-top: 30px;
}

.login-input-box{
    position: relative;
    width: 340px;
    margin: 50px auto 0 auto;
}
.login-input-box input{
    padding-left: 50px;
    width: 100%;
    height: 32px;
    margin-left: 0;
    border-bottom:1px solid #999999; 
    border-top:0px; 
    border-left:0px; 
    border-right:0px; 
    background-color:transparent; 
    outline: none;
}

.login-input-box .icon {
    width: 24px;
    height: 24px;
    margin: 0;
    position: absolute;
    left: 10px;
    top: 5px;
}

.login-input-box .icon.icon-user{
   color:#2b2a2a;
   font-size: 20px;
    
}

.login-input-box .icon.icon-password{
    color:#2b2a2a;
    font-size: 20px;
   
}

.login-button-box{
  
    background-repeat: no-repeat;
    margin-top: 15%;
    margin-bottom: 10%;
        
}
.login-input-box .icon-biaoshi{
    background: url("../images/login/biaoshi.png") no-repeat left center;
}
.copyright{
    font-size: 12px; color: #999;
}

.copyright a{
    color:#03c5ff; text-decoration:none;
}

.nav ul a{ font-size: 14px; color: #333333; text-decoration: none; }
.nav ul a:hover,.nav ul a.active{ color: #da251c; }
.pane{display: none;}


@media (max-width: 575px) {
.pages {
    padding: 1rem;
    box-sizing: border-box;
}
.content {
    width: 100%;
}
.pane {
    padding: 0 20px;
}
.login-input-box {
    width: 100%;
    margin-top: 30px;
}
.login-button-box {
    margin-top: 10%;
}

}