弹出遮罩、meta内容含义_html/css_WEB-ITnose

<span style="font-size:12px;"><meta http-equiv="Content-Type"content="text/html; charset=utf-8">//编码<meta id="viewport"name="viewport"content="width=320; initial-scale=1.0;maximum-scale=1.0; user-scalable=no;"/> <meta name=”apple-mobile-web-app-capable” content=”yes” />// 离线应用的另一个技巧     <meta name=”apple-mobile-web-app-status-bar-style” content=black” />// 隐藏状态栏       <meta content="black"name="apple-mobile-web-app-status-bar-style"/>//指定的iphone中safari顶端的状态条的样式        <meta content="telephone=no"name="format-detection"/>//告诉设备忽略将页面中的数字识别为电话号码<style media="all and (orientation:portrait)"type="text/css">#landscape { display: none; }</style>//竖屏时使用的样式<style media="all and (orientation:landscape)"type="text/css">#portrait { display: none; }</style>//横屏时使用的样式</span>

<span style="font-size:12px;"><div id="brg"></div><div id="showdiv"><div class="btn"><a href="#" id="close"><span >取消</span></span></a></div></div><a href="#" id="lay"><span>确定</span></a></span>

#brg{width:100%; height:100%;filter:alpha(opacity=60); -moz-opacity:0.6; opacity: 0.6; display:none;}#showdiv{z-index:20; display:none; }

<div id="brg"></div><div class="vip_none"><div class="close_btn"><a href="javascript:void(0)" id="close_btn">@@##@@</a></div><p>VIP充值尚未开放<br><br> 敬请期待～</p></div>

*html { background: url(*) fixed; }body { _background: url(about:blank) fixed;}.vip_none{width: 400px;height: 250px;background:#fff;-webkit-border-radius:7px;-moz-border-radius:7px;border-radius: 7px;    z-index: 1002;    display: none;    position:absolute;    top: 30%;    left: 38%;    overflow: auto; }.close_btn{height: 40px;background: #f2f2f2;    -webkit-border-radius:7px 7px 0 0;    -moz-border-radius:7px 7px 0 0;    border-radius:7px 7px 0 0;     -webkit-box-shadow: 0 1px #e0dfdf;    -moz-box-shadow: 0 1px #e0dfdf;    box-shadow:  0 1px #e0dfdf;    margin: 1px 1px 0 1px;}.close_btn img{    float: right;    margin-top: 8px;    margin-right: 8px;    border:0;}.vip_none p{    font-size: 32px;    color: #505050;    -webkit-text-shadow: 1px 0px #bbbbbb;    -moz-text-shadow: 1px 0px #bbbbbb;    text-shadow: 1px 0px #bbbbbb;    text-align: center;    margin-top: 60px;    }#brg{    overflow: hidden;     width:100%;     height:100%;     background:#ccc;     position:fixed;     top:0;     left:0;     filter:alpha(opacity=60);     -moz-opacity:0.6;     opacity: 0.6;     display:none;    z-index:1000;    _position:absolute;    _height:6100px;    _width:2000px;    _left:0;    _top:0;}