html {
    height: 100%;
    font-family: PingFangSC-Light, 'helvetica neue', 'hiragino sans gb', arial, 'microsoft yahei ui', 'microsoft yahei', simsun, sans-serif;
    font-size: 14px;
}

body.signin {
    background: #18c8f6;
    height: auto;
    background: url("../img/sample.jpg") no-repeat center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    color: rgba(255, 255, 255, .95);
}

.myForm {
    background: rgba(255, 255, 255, .3);
    border: 1px solid rgba(255, 255, 255, .3);
    -moz-box-shadow: 0 3px 0 rgba(12, 12, 12, 0.03);
    -webkit-box-shadow: 0 3px 0 rgba(12, 12, 12, 0.03);
    box-shadow: 0 3px 0 rgba(12, 12, 12, 0.03);
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    padding: 30px;
    color: #666;
    width: 20%;
    position: absolute;
    right: 8%;
    top: 16%;
}

.myForm h3 {
    color: #333333;
    font-size: 22px;
    font-weight: 400;
}

.myForm .uname {
    background: #fff url(../img/user.png) no-repeat 95% center;
    color: #333;
    margin: 12px 0 0 0 !important;
    height: 40px;
    border-radius: 3px;
}

.myForm .upwd {
    background: #fff url(../img/locked.png) no-repeat 95% center;
    color: #333;
    margin: 12px 0 0 0 !important;
    height: 40px;
    border-radius: 3px;
}

.myForm .btn {
    margin-top: 15px;
    border-radius: 3px;
}

.myForm .inputyz {
    margin-top: 12px;
    height: 36px;
    border-radius: 3px;
}

.btn-login {
    border: 1px solid #00a3ff;
    background-color: #00A3FF;
    color: #fff;
    border-radius: 2px;
}

.btn-login:hover {
    color: #fff;
    background-color: #0097ee;
    border: 1px solid #0097ee;
}

@media screen and (max-width: 768px) {
    .myForm {
        width: 40%;
    }
}