.descargas {
margin:0 0 0 65px;}

.descargas li{
width:250px;
margin:20px 20px 0 0;
float:left;}
.descargas img{
width:390px;
height:auto;}
.descargas li a{

margin:20px 20px 0 0;
float:left;
font-size:20px;}