body{     background: url(linux.jpg) no-repeat #A6A6A6;    background-position: top center;    overflow: hidden;}
/* 按钮样式 */
.btn{position:relative;cursor:pointer;display:inline-block;vertical-align:middle;font-size:18px;font-weight:bold;width: 100px;height: 50px;line-height: 50px;min-width:52px;padding:0 12px;text-align:center;text-decoration:none;border-radius:2px;border:1px solid #ddd;color:#666;background-color:#f5f5f5;background:-webkit-linear-gradient(top, #F5F5F5, #F1F1F1);background:-moz-linear-gradient(top, #F5F5F5, #F1F1F1);background:linear-gradient(top, #F5F5F5, #F1F1F1);}
input.btn{height:29px;}
.btn:hover{border-color:#c6c6c6;color:#333;background-color:#f8f8f8;background:-webkit-linear-gradient(top, #f8f8f8, #f1f1f1);background:-moz-linear-gradient(top, #f8f8f8, #f1f1f1);background:linear-gradient(top, #f8f8f8, #f1f1f1);box-shadow:#ddd 0 1px 1px 0;}
.btn:active, .btn.btn-active{box-shadow:#ddd 0 1px 2px 0 inset;border-color:#c6c6c6;}
.btn:focus{border-color:#4d90fe;outline:none}
.btn-primary{border-color: #000;color:#F3F7FC;background-color: #000;background: -webkit-linear-gradient(top, #A6A6A6, #000);background:-moz-linear-gradient(top, #A6A6A6, #000);background:linear-gradient(top, #A6A6A6, #000);float: left;}
.btn-primary:hover{border-color:#000;color:#fff;background-color:#000;background:-webkit-linear-gradient(top, #000, #A6A6A6);background:-moz-linear-gradient(top, #000, #A6A6A6);background:linear-gradient(top, #000, #A6A6A6);}
.btn-primary:active{box-shadow:#2176D3 0 1px 2px 0 inset;border-color:#3079ED;}
.btn-primary:focus{border-color:#4d90fe;outline:none}

a{margin:0 10px;font-family:'Microsoft YaHei'font-size:40px;}


/*弹窗样式*/
.theme-popover-mask{z-index:1;position:absolute;left:0;top:0;width:100%;height:100%;background:#000;opacity:0.5;filter:alpha(opacity=50);-moz-opacity:0.5;display:none;}
.theme-popover{z-index:9;position:fixed;top:50%;left:50%;width:558px;height:485px;margin:-250px 0 0 -330px;border-radius:5px;border:solid 2px #e4e4e4;background-color:#fff;display:none;box-shadow:0 0 10px #666;background:#fff;}
.theme-popbod{color:#444;height:148px;}
.close{ color: #999;}