.box {
  position:relative;
  }
#menublaettern {
  width:100px; 
  text-align:center; 
  position:relative;
  }
#menublaettern a, #menublaettern a:visited {
  text-decoration:none; 
  color:#c00; 
  display:block; 
  width:88px; 
  height:16px; 
  border:1px solid #fff; 
  padding:5px;
  float:left;
  }
* html #menublaettern a, 
* html #menublaettern a:visited {
  width:100px; 
  height:28px; 
  w\idth:88px; 
  he\ight:16px;
  }
#menublaettern a span {
  display:none;
  }
#menublaettern a:hover {
  border:1px solid #c00; 
  }
#menublaettern a:hover span.left, 
#menublaettern a:hover span.right {
  display:block; 
  position:absolute; 
  height:0; 
  width:0; 
  overflow:hidden; 
  border-top:8px solid #fff; 
  border-bottom:8px solid #fff; 
  }
#menublaettern a:hover span.left {
  left:5px; 
  top:5px; 
  border-left:8px solid #c00;
  }
#menublaettern a:hover span.right {
  left:87px; 
  top:5px; 
  border-right:8px solid #c00;
  }

* html #menublaettern a:hover span.left, 
* html #menublaettern a:hover span.right {
  width:8px; 
  height:16px; 
  w\idth:0; 
  he\ight:0;
  }