section{
    height: 680px;
    background-image: url('../images/banner.jpg');
    background-repeat: no-repeat;
    background-position: top center;
    min-width: 1100px;
}
@media (max-width: 1300px){
section {
    height: 480px;
    background-size: 1920px 480px;
    background-position: top center;
}
}

.example{
    text-align: right;
    height: 680px;
    vertical-align: bottom;
}
.example img{
    height: 630px;
    width: auto;
    margin-top: 50px;
}

@media (max-width: 1300px){
.example{
    height: 480px;
}
.example img{
    height: 440px;
    width: auto;
    margin-top: 40px;
}
}
.site-login{
    margin-left: 30%;
    margin-top:26%;
    width: 320px;
    height: 290px;
    border-radius: 10px;
    background: rgba(255,255,255,.3);
    padding: 5px;
}
@media (max-width: 1300px){
    .site-login{
        margin-top:12%;
    }
}
#login-form{
    background: #fff;
    height: 100%;
    border-radius: 10px;
    padding: 20px;
}
#login-form h4{
    color: #0067aa;
    font-weight: bold;
    font-size: 20px;
    filter:alpha(opacity=80);
    -moz-opacity:0.8;
    opacity: 0.8;
}
.btn-login{
    width: 100%;
    background: #0099ff;
    border: none;
    height: 40px;
    font-size: 16px;
}
.login-pswd input,.login-user input{
    height:42px;
    padding-left: 50px;
}
.login-pswd i{
    display: block;
    position: absolute;
    background: url('../images/ico_lock.png') 0 0 no-repeat;
    width: 43px;
    height: 42px;
        background-size: 41px;
    border-radius: 10px 0px 0px 10px;
    background-position: 1px;
}
.login-user i{
    display: block;
    position: absolute;
    background: url('../images/ico_user.png') 0 0 no-repeat;
    width: 43px;
    height: 42px;
        background-size: 41px;
    border-radius: 10px 0px 0px 10px;
    background-position: 1px;
}