*{
	margin:0;
	padding:0;
	}
#wrapper{
	max-width:1200px;
	margin:0 auto;
	padding-left:5%;
	}
img{
	border-radius:15px;
	display:block;
	max-width:100%;
	height:240px;
	width:auto;
	margin-bottom:-4px;
	}
.one-third{
	height:240px;
	width:29%;
	float:left;
	margin:2%;
	max-width:100%;
	}
img:hover{
	opacity:.5;
	}
li a{
	color:#FFFFFF;
	}	
a:hover{
	color:#0D9819;
	}
		
#izq {
	font-size:12px;
	list-style-type: square;
    margin:0;
	margin-top:5%;
	margin-left:.5%;
    padding: 0;
	padding-left:1.5%;
    width: 10%;
    background-color:#243866;
    position: fixed;
    height: auto;
    overflow: auto;
}

#barra a {
    display: block;
    color: #FFF;
    padding: 1px 2px;
    text-decoration: none;
}

#barra a.active {
    background-color: #4CAF50;
    color: white;
	border-radius:5px;
}

#barra a:hover:not(.active) {
    background-color: #555;
    color: white;
}
@media screen and (max-width:768px) {
			
#izq {
	position:absolute;
    list-style-type:square;
    margin:0;
	padding-left: 20%;
    width: 60%;
    height: auto;
    }

#barra a {
    color: #000;
    text-decoration: none;
}
	
	.one-third{
		height:0%;
		width:48%;
		margin:1%;
		}
	
	}
	
	@media screen and (max-width:480px) {
			
#izq{
	position:absolute;    
	list-style-type:square;
    margin:0;
	padding-left:20%;
    width: 60%;
    height: auto;
    }

#barra a {
    color: #000;
    text-decoration: none;
}
	
	.one-third{
		height:0%;
		width:98%;
		margin:1%;
		}
	
	}