s and boxes that establish a formatting context" />
  <link rel="author" title="Bert Bos" href="mailto:bert@w3.org" />

  <style type="text/css">
  #container {width: 20em; background: red; text-align: center;
    line-height: 1.2em}

  /* The visible overflow of grandchild1 hides the red container background */
  #child1 {width: 10em; overflow: visible}
  #grandchild1 {width: 20em; background: green}

  /* The red border on grandchild2 is clipped by child2 */
  #child2 {width: 20em; background: green; over