IE7 set overflow attribute failure solution

Meet in the project IE7 Browser settings overflow:hidden , overflow: auto; All invalid ！

The parent element sets the fixed width and height attribute and adds overflow attribute ( It is intended that the excess part can be hidden or scrolled ), The child element sets position:relative or position:absolute attribute ,ie7 The child element area beyond the parent element under the browser cannot be hidden ！

resolvent ：

 Add to the element position:relative attribute  
overflow-y: auto;
overflow-x: hidden;  
*position:relative;  
*left:0;
*top:0;