弹出框css技巧_html/css_WEB-ITnose

一个覆盖整个屏幕的浅灰色背景的div,一个包含内容的的div,

代码如下：

    
    
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$(document).ready(function(){    var m1_top = ( $(window).height() - $("#financeTipInfor").height() )/2; var m1_left = ( $(window).width() - $("#financeTipInfor").width() )/2;    $("#financeTipInfor").css({"margin": m1_top + "px" +" "+ m1_left + "px"}); window.onresize=function(){  var m1_top = ( $(window).height() - $("#financeTipInfor").height() )/2; var m1_left = ( $(window).width() - $("#financeTipInfor").width() )/2;    // $("#financeTipInfor").css({"margin": m1_top + "px auto","left": m1_left + "px"}); $("#financeTipInfor").css({"margin": m1_top + "px" +" "+ m1_left + "px"}); }  $(".close").click(function () {      $("#financeTip").css({"display": "none"});      });});

#financeTip{width:100%;overflow:hidden;}.financeTankuang{width:90%;}@media (min-width: 768px){.financeTankuang{width:600px;}}.financeTipBg{position:absolute;width:100%;height:100%;background:#000;z-index:8001;left:0;top:0;opacity:0.2}#financeTipInfor{position:absolute;left:0;top:0;z-index:8011;}