/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {

	body {
		padding: 0;
	}
	#back-to-top {
		color: rgba(0,0,0, 0.2);
	}

	#back-to-top:hover{
    color: #3C477D;
  }

	.presentacion_head {
		background-position: 80% 0;
		height: 350px;
	}

	.presentacion_head img {
		width: 175px;
	}

	.presentacion_head nav,
	.presentacion_head .datos p {
		padding: 0;
		margin: 0;
	} 


}


@media (min-width: 601px) and (max-width: 992px){
	body {
		padding: 0;
	}

	#back-to-top {
		color: rgba(0,0,0, 0.2);
	}

	#back-to-top:hover{
    color: #3C477D;
  }
}