body,html{width:100%;height:100%;margin:0;padding:0}body{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-align:center;-webkit-box-align:center;align-items:center;background-color:#dadada}.login{width:100%;height:100%;background-repeat:no-repeat;background-position:50%;background-size:cover}.item{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;margin-bottom:10px}.item i{font-size:18px;color:#ff6117}.form-signin{width:450px;height:320px;padding:15px 45px 45px;position:fixed;top:50%;left:50%;z-index:2;margin-left:-225px;margin-top:-160px;background-color:#fff}.act-btn button{width:100%}.copyright{color:#999;padding:45px 0}