/* CSS Document */

#cabeza { 
position: absolute;
top: 0; left: 0;
height: 6%;
width: 100%;
background-color: red;
}

#cuerpo { 
position: absolute;
top: 6%; left: 0;
height: 94%;
width: 100%;
background-color: #6699ff;

}

a{
	width: 20%;
    float: left;
    line-height: 30px;
    text-decoration: none;
    font-family: 'Arial', Lucida Sans, sans-serif;
    font-size: 13px;
	color: inherit;
    text-align: center;
    background: #fff;
	
}

a:hover{
	font-weight: bold;
    background: #ccc;
     }


a:focus{
	font-weight: bold;
    background: #ccc;
     }