.content-area, #container, .homeleft {
    width: 100%;
    float: none;
}
.content-area {margin-top: 20px;}

.portalitem { float: left; width: 30%;margin: 1.6%}
.portalitem img{ max-width:100%;}


.portals {margin-top: 25px;}



@media screen and (max-width:800px) {
  .portalitem { float: left; width: 46%;margin: 2%}
  .portalitem img{ width:100%;}
}

@media screen and (max-width:600px) {
  .portalitem { float: left; width: 96%;}
}