自定义css

[css]代码库

.login {
    background: url("../images/login.jpg") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.register {
    background-image: url("../images/login.jpg");
    background-position: center 0;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    -moz-background-size: cover;
    -ms-background-size: cover;
}
.rent {
    background: url("../images/bike.jpg") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.running {
    background: url("../images/running.gif") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.input-group-addon-kaptcha {
    display: table-cell;
    width: 1%;
    white-space: nowrap;
    vertical-align: middle;
    padding: 0px 0px;
}

/*页面屏蔽不可点击*/
.hidebox {
    position: absolute;
    left: 0px;
    top: 0px;
    background-color: #202020;
    width: 100%; /*宽度设置为100%，这样才能使隐藏背景层覆盖原页面*/
    filter: alpha(opacity=30); /*设置透明度为60%*/
    opacity: 0.3; /*非IE浏览器下设置透明度为60%*/
    display: none; /* http://www.jb51.net */
    z-Index: 2;
}