<!DOCTYPE HTML> <html> <head> <title>CSS 2.1 Test Suite: Test for wrapping around floats whose top is below the top of what must wrap around them</title> <link rel="author" title="L. David Baron" href="https://dbaron.org/" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#floats" /> <meta name="assert" content="The border box of a table, a block-level replaced element, or an element in the normal flow that establishes a new block formatting context (such as an element with 'overflow' other than 'visible') must not overlap any floats in the same block formatting context as the element itself." /> <meta name="flags" content="" /> <style type="text/css"> body { width: 400px; border: medium solid; } span { display: block; overflow: hidden; width: 200px; height: 50px; background: aqua; } </style> </head> <body> <div style="float: left; width: 150px; height: 75px;"></div> <div style="float: right; width: 300px; height: 75px;"></div> <span></span> <span></span> </body> </html>