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HomeWeb Front-endHTML TutorialCSS相关知识和经验的碎片化记录 - yuzhihui

1、子DIV块中设置margin-top时影响父DIV块位置的问题

  解决办法1:若子DIV块中使用margin-top,则在父DIV块中添加:overflow:hidden;
  解决办法2:在子DIV块中用padding-top代替margin-top。

2、在IE浏览器上div元素块不能对ActiveX控件界面进行遮挡的问题

  解决办法:在div元素块中添加子元素iframe,并设置其相应的样式和属性,如:

<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="preLoadMask"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="ui_preLoadMask"</span><span style="color: #0000ff;">></span>
  <span style="color: #0000ff;"><span style="color: #800000;">iframe </span><span style="color: #ff0000;">style</span><span style="color: #0000ff;">="position:absolute;z-index:-1;width:100%;height:100%;top:0;left:0;scrolling:no;filter:alpha(opacity=0);opacity:0.5;"</span><span style="color: #ff0000;"> frameborder</span><span style="color: #0000ff;">="0"</span><span style="color: #0000ff;">></span><span style="color: #800000;">iframe</span><span style="color: #0000ff;">></span><br><span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span>

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