body{
}
#principal{
width: 850px;
    
    margin: 20 auto;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    background: #edefd6;
}

#cabecera{
    height: 300px;
    border: 1px solid #000000;
    margin: 0px;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    background-image: url(imagenes/fadu%20band.jpg);
}

#menu{
    height: 40px;
    margin: 10px;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    margin: 10px 0px 10px 0px;
    text-decoration: none;
    background: rgba(229, 140, 64, 0.76);
    margin-top: 20px;
   
    
}

#menu li{
    margin-left: 45px;
    padding-bottom:  10px;
display: inline;
    text-decoration: none;
    
    
}

#columnaizq{
    width: 200px;
    
    margin: 10px;
    float: left;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    text-align: center;
    background: rgba(102, 124, 154, 0.62);
}

#columnader{
 width: 605px;
   margin: 10px;
    float: left;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    text-align: center;
    font-size: 30px;
    background: rgba(242, 39, 39, 0.73);
}

#columna2{
 width: 605px;
   margin: 10px;
    float: left;
    border-radius: 8px;
    box-shadow: #666 3px 5px 8px;
    text-align: center;
    font-size: 25px;
    background: rgba(242, 39, 39, 0.73);

}
#columna3{
    margin-bottom: 20px;
    
}
    
    

.clear{
clear: both;
}

#pie{
     height: 50px;
    background: #8e8686;
    box-shadow: #666 3px 5px 8px;
    text-align: center;
    font-size: 13px;
}