.mask-z100{z-index:100}.mask-z1000{z-index:1000}.ppMask{background-color:#000;opacity:.5;filter:alpha(opacity=50);position:fixed;left:0;top:0;width:100%}.ppMask-tpl{position:absolute;height:50px;width:100%;top:50%;margin-top:-25px;font-size:14px}