The clear CSS property with the value both is primarily used to control the layout around floating elements. In web development, when using the float property to make elements float, these floating elements can affect non-floating elements around them, sometimes causing layout issues or overlaps. The purpose of clear:both is to prevent an element from appearing on the same line as any preceding floating elements (whether left-floated or right-floated). Let's consider an example. Suppose we have several images or boxes arranged using float:left or float:right, and we want the next content following these floating elements (such as a paragraph <p>) to appear on a new line, rather than adjacent to the floating elements. In this case, we can apply clear:both to the <p> element, causing it to ignore all preceding floating elements and start on a new line. ```html
This is a new paragraph that will appear below the floated content.
``` In this example, regardless of whether the left or right `` tag will move to the next line to ensure that the preceding floats do not affect its layout. This technique is very useful for implementing multi-column layouts or handling mixed text and image scenarios.