Glowing effect

    
      -webkit-box-shadow: 0 0 8px #888888;
      -moz-box-shadow: 0 0 8px #888888;
      box-shadow: 0 0 8px #888888;
      zoom: 1;
      filter: progid:DXImageTransform.Microsoft.Shadow(Color=#888888, Strength=8, Direction=0),
        progid:DXImageTransform.Microsoft.Shadow(Color=#888888, Strength=8, Direction=90),
        progid:DXImageTransform.Microsoft.Shadow(Color=#888888, Strength=8, Direction=180),
        progid:DXImageTransform.Microsoft.Shadow(Color=#888888, Strength=8, Direction=270); 
    

Positive offsets

    
      -webkit-box-shadow: 8px 8px 8px #888888;
      -moz-box-shadow: 8px 8px 8px #888888;
      box-shadow: 8px 8px 8px #888888;
      zoom: 1;
      filter: progid:DXImageTransform.Microsoft.DropShadow(OffX=8, OffY=8, Color=#888888);
    

Negative offsets

    
      -webkit-box-shadow: -8px -8px 8px #888888;
      -moz-box-shadow: -8px -8px 8px #888888;
      box-shadow: -8px -8px 8px #888888;
      zoom: 1;
      filter: progid:DXImageTransform.Microsoft.DropShadow(OffX=-8, OffY=-8, Color=#888888);