#mapa{border-style:solid;position:absolute;top:40px;bottom:0px;right:0px;left:0px;border-color:#000000;}	
#cabecera{background-color:#00FF00;position:absolute;top:0px;right:0px;left:0px;height:40px;}
#titulo{float:left;font-size:36px;}
#boton{margin-left:60%;}
#bot{height:40px;width:40%;}