img {
	max-width: 100%;
	height: auto;
	-webkit-transition-duration: .3s;
	transition-duration: .3s;		
}

.centrado {
	text-align: center;
  }

  .imagen_centrada {
	display: block;
	margin-left: auto;
	margin-right: auto;
/*	width: 50%;*/
  }


  #patrocina {
    border-bottom: 5px solid #E1E1E1;
    /*background-image: url(/assets/images/fondo-detalle.png);*/
}

#sede {
    border-bottom: 5px solid #E1E1E1;
    /*background-image: url(/assets/images/fondo-detalle.png);*/
}


#colabora {
    border-bottom: 5px solid #E1E1E1;
    /*background-image: url(/assets/images/fondo-detalle.png);*/
}

#secretaria {
    border-bottom: 5px solid #E1E1E1;
    /*background-image: url(/assets/images/fondo-detalle.png);*/
}

#viajes {
    border-bottom: 5px solid #E1E1E1;
    /*background-image: url(/assets/images/fondo-detalle.png);*/
}