The background color or image inside the div container grows as it grows
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Copy code The code is as follows:height:auto !important; height:550px; min-height:550px; Add the following code to the end of Div: <div style="clear:both;"></div> Or use <br style="clear:both;" /> 2. Use the after pseudo-class This method is to use the after pseudo-class and content declaration for the parent container to add new content at the end of the specified current content. A common practice is to add a "dot" because it is smaller and less noticeable. We then use it to clear floats (close floated elements) and hide the content. This method has average compatibility, but after various hacks it can handle different browsers, while also ensuring that the HTML is relatively clean, so it is still used quite frequently. Copy code The code is as follows:#outer:after{ content:"."; height:0; visibility:hidden; display:block; clear:both; } 3. Set overflow to hidden or auto This approach is to set the overflow of the parent container to hidden or auot to close the floating element in standard compliant browsers. However, when using overflow, it may affect the performance of the page, and this impact is uncertain. It is best to test your page on multiple browsers. 4. Floating external elements, float-in-float This approach is to make the parent container float as well, which takes advantage of a feature of floating elements - floating elements will close floating elements. This method has good effects in IE/Win and standard-compatible browsers, but its disadvantages are also obvious - the parent container may not be able to float whenever it wants. After all, floating is a special behavior, and sometimes it is normal that the layout does not allow it to float. |
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