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How to clear float in css
Clearfix is a technique used to solve layout problems caused by floating elements. When an element is set to float, it breaks out of the normal document flow, causing surrounding elements to not lay out correctly. The main function of clearing floats is to prevent the collapse of parent elements, solve the problem of overlapping floating elements, and maintain the structure and semantics of web pages.
What does css float mean? The principle of css floating and the method of css clearing floating (with code)What does css float mean? The so-called CSS float means that the floating element will break away from the normal flow of the document and move to the left or right according to the value of float until its outer boundary touches the inner boundary of the parent element or the outer boundary of another floating element. Because the floated box is not in the document's normal flow, block-level elements in the document's normal flow behave as if the floated element does not exist. Next, this article will tell you about the principle of CSS floating and the method of clearing floating in CSS.
Detailed explanation of the mainstream method of clearing floats by the after pseudo-class in CSS!This article mainly introduces how to use css after pseudo-class to clear floats. First of all, everyone needs to understand what is css float? Make the element break away from the document flow, move in the specified direction, and stop when it encounters the parent boundary or adjacent floating elements. It can also be understood like this: a floating box can move left or right until its outer edge touches the border of the containing box or another floating box. Because the floated box is not in the document's normal flow, a block box in the document's normal flow behaves as if the floated box does not exist.
Introduction to the principle of css clearing floatsThe principle of css clearing floats: clear: both is the key to clearing floats. Clear is a positioning attribute in CSS, which stipulates which side of the element does not allow other floating elements, so clear:both stipulates that floating elements are not allowed on the left and right sides.
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