body{
    background: url("../img/bg_login.jpg") no-repeat fixed center;
    background-size: cover;
}

.sign-box{
    color: #FFF;
    width: 900px;
    height: 500px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -250px;
    margin-left: -450px;
}
#icon-logo{
    border-radius: 100%;
    box-shadow: 0 0 10px #DDD;
    width: 80px;
    height: 80px;
    position: absolute;
    top: -40px;
    left: 210px;
}
#title-logo{
    width: 600px;
    position: absolute;
    top: -50px;
    left: 150px;
}
.error{
    color: #990033;
    height: 20px;
    line-height: 20px;
}
.sign{
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    box-shadow: 0 0 10px #DDD;
    width: 480px;
    float: right;
    padding: 30px 0;
    text-align: center;
    margin-top: 85px;
}
.login-img{
    width: 400px;
    float: left;
}
/* 文本输入框 */
.u-ipt{
    width: 290px;
    margin-top: 15px;
    padding:10px 10px 10px 40px;;
    border:1px solid #FFF;
    border-radius:4px;
    color:#FFF;
    font-size: 14px;
    background:transparent;
}
.u-ipt:focus, #btn-sign:hover{
    box-shadow: 0 0 10px #DDD;
}

#username{
    background: url(../img/person.png) no-repeat 5px center;
}
#password{
    background: url(../img/lock.png) no-repeat 5px center;
}
#verifyBox{
    display: inline-block;
    text-align: left;
    width: 340px;
    position: relative;
}
#verifyCode{
    background: url(../img/verify.png) no-repeat 5px center;
    width: 200px;
}
#verifyImg{
    border-radius: 4px;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 0;
}
#btn-sign{
    width: 30%;
    padding:10px;
    font-size: 14px;
    background-color: #FF3333;
    border: none;
    outline: none;
    color: #FFF;
    margin-top: 4%;
    border-radius:4px;
    font-weight: 500;
}
.powerby{
    text-align: center;
    margin-top: 20px;
    line-height: 1.5em;
}