.nivo-caption, .caption {
    border-bottom: #eba40d 5px solid;
}
@media (max-width: 480px) { 
    .nivo-caption {
    position: absolute;
    left: 80px;
    bottom: 20px;
    background: #000;
    color: #fff;
    width: 30%;
    z-index: -1;
    padding: 20px;
    opacity: 0.8;
    overflow: hidden;
    display: none;
    -moz-opacity: 0.8;
    filter: alpha(opacity=8);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    }
 }
 @media (min-width: 481px) {
    .nivo-caption {
    position: absolute;
    left: 80px;
    bottom: 20px;
    background: #000;
    color: #fff;
    width: 30%;
    z-index: 8;
    padding: 20px;
    opacity: 0.8;
    overflow: hidden;
    display: none;
    -moz-opacity: 0.8;
    filter: alpha(opacity=8);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    }
 } 

.portafolio-product
{
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}