#contenido_index{
	padding-top:21px;
	clear:both;
	width:100%;
	display:flex;
	justify-content:center;	
	
}
	
.presentacion {

	min-width: 320px;
	height: 320px;
	overflow: hidden;
	position: relative;
	float:left;
  
	-webkit-box-shadow: 2px 7px 26px -1px rgba(0,0,0,0.54);
	-moz-box-shadow: 2px 7px 26px -1px rgba(0,0,0,0.54);
	box-shadow: 2px 7px 26px -1px rgba(0,0,0,0.54);
  
}

.photo {
  position: absolute;
  animation: round 30s infinite;
  opacity: 0;
}

@keyframes round {
  15% {
    opacity: 1;
  }
  20% {
    opacity: 0;
  }
}

img:nth-child(1) {
  animation-delay: 0s;
}

img:nth-child(2) {
  animation-delay: 5s;
}

img:nth-child(3) {
  animation-delay: 10s;
}

img:nth-child(4) {
  animation-delay: 15s;
}

img:nth-child(5) {
  animation-delay: 20s;
}

img:nth-child(6) {
  animation-delay: 25s;
}
   

.cont_ico{
	position:relative;
	float:left;
	margin-left:30px;
	width:630px;
	/*background-color:black;*/
}

.texto{
	clear:left;
	display:block;
	width:100%;
}

@media all and (max-width: 827px) {
	
	#contenido_index{
	width:100%;
	display:inline-block;
	}
	
	.presentacion{
	width:320px;
	position:relative;
	display:inline-block;
	margin-bottom:15px;
	left:50%;
	margin-left:-160px;
	}

	.cont_ico{
	width:100%;
	position:relative;
	display:block;
	float:left;
	}	
}

.ico{
	position:relative;
	float:left;
	display:flex;
	width:200px;
	height:60px;
	margin-top:3px;
	margin-left:3px;
	margin-bottom:6px;
	margin-right:5px;
	background-color:white;
	
	border-radius: 6px 6px 6px 6px;
	-moz-border-radius: 6px 6px 6px 6px;
	-webkit-border-radius: 6px 6px 6px 6px;
	border: 1px solid #BABABA;
	
	-webkit-box-shadow: 3px 2px 6px 0px rgba(0,0,0,0.75);
	-moz-box-shadow: 3px 2px 6px 0px rgba(0,0,0,0.75);
	box-shadow: 3px 2px 6px 0px rgba(0,0,0,0.75);

}

.img_ico{
	position:relative;
	margin-top:4px;
	margin-left:4px;
	margin-right:6px;
}

.txt_ico{
	display:table;
	height:60px;
	size:16px;
}

	.txt_ico > * {
		display:table-cell;
		vertical-align:middle;
	}
	
.link-ico{
	color:black;
	text-decoration:none;
}

.link-ico:hover{
	color:#CA0202;
}