body{
    background-color: #101010;
    /*
    background-image: url('../../../../img/mobile/add/bg-login.jpg');
    */
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
body:before{
    content: "";
    position: fixed;
    z-index: -1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: inherit;
    -webkit-background-size: cover!important;
    -o-background-size: cover;
    background-size: cover!important;
}

header{
    #position: sticky;
}

.wrapper{
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
}
.wrapper .subjcet{
    width: 100%;
    text-align: center;
    margin-top: 23%;
}
.wrapper .subjcet img{
    width: 19%;
}
.wrapper table{
    margin: 0 auto;
    width: 85%;
    margin-top: 12%;
    border:0px solid red;
    margin-left: 4.5%;
}
.wrapper table tr th{
    width: 28%;
    height: 42px;
    color: #e9e9e9;
    font-size: 1.2em;
    text-align: right;
    padding-right: 4%;
}
.wrapper table tr td{
    width: 72%;
}
.wrapper table tr td input{
    width: 100%;
    height: 30px;
    background-color: transparent;
    border: 0px;
    border-bottom: 1px solid #fff;
    padding-left: 5px;
    color: #fff;
    font-size: 1.2em;
}
.wrapper table tr td input::-webkit-input-placeholder{
    #font-size: 1em;
}
/* 浏览器自带记忆功能，使input颜色和字体丢失的解决方案 */
.wrapper table tr td input:-webkit-autofill,
.wrapper table tr td input:-webkit-autofill:hover,
.wrapper table tr td input:-webkit-autofill:focus,
.wrapper table tr td input:-webkit-autofill:active {
    -webkit-transition-delay: 99999s;
    -webkit-transition: color 99999s ease-out, background-color 99999s ease-out;
}


.wrapper .btn-login, .btn-join{
    display: block;
    width: 100%;
    overflow: hidden;
    text-align: center;
}
.wrapper .btn-login{
    margin-top: 8%;
}
.wrapper .btn-join{
    margin-top: 3%;
}
.wrapper .btn-login input[type=image], .btn-join img{
    width: 65%;
    max-width: 240px;
}

.wrapper .link{
    width: 100%;
    text-align: center;
    text-decoration: underline;
    margin-top: 7%;
    font-size: 1.05em;
}

.wrapper .link a{
    color: #fff;
}