html,body {margin: 0;text-align: center;background-attachment: fixed;background-repeat: no-repeat;background-size: cover;background-image: url(../img/1.jpg);}.main {border: 2px solid #FF6F9E;width: 850px;margin: 0 auto;height: 100%;}.content {height: 100%;text-align: left;}.content a:link {color: blue;}.content a:visited {color: green;}.content a:hover {color: hotpink;}.link-to-bas {font-weight: bold;font-size: 23px;}.footer {font-size: small;color: #000000;position: fixed;z-index: 1001;bottom: 0;width: 100%;border-top: solid 2px gray;background-color: #808080;background-image: linear-gradient(to right, #999, #369);}.footer a {text-decoration: none;}.footer a:link {color: black;}.footer a:visited {color: black;}.footer a:hover {color: hotpink;}hr {width: 100%;}.header {width: 100%;height: 45px;}.top {text-align: left;font-size: xx-large;font-family: "KaiTi";color: #000000;position: fixed;z-index: 1001;top: 0;height: 45px;width: 100%;border-bottom: solid 2px gray;background-color: #808080;background-image: linear-gradient(to right, #369, #999);}.top span {margin: 0 0 0 25px;}.top a {text-decoration: none;}.top a:link {color: #000000;}.top a:visited {color: black;}.top a:hover {color: hotpink;}.icon {width: 35px;height: 35px;}.banner {height: 50px;width: auto;font-size: large;font-weight: bold;}