/* CSS Document */
#mapa {
width: 80%;
height: 400px;
margin-top:10px;
box-shadow: 0 0 20px #222;
}

#txt {
font-family: sans-serif;
  font-size: 12px;  
  color: #fff;
text-align: center; 
 margin-top: 5px;
 }