#palestrante .item {
    padding: 3px; 
}
#palestrante .item figure {
    height: 320px;
    max-width: 350px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center center;
}

#palestrante .item figure figcaption {
    position: absolute;
    width: 100%;
    background: rgba(0, 0, 0, 0.45);
    padding: 15px 15px;
    bottom: 0;
    left: 0;
    min-height: 80px;
    transition: all .3s ease;
}

#palestrante .item figure:hover figcaption {
    background: rgba(0, 0, 0, 0.65);
}

#palestrante .item figure figcaption h2 {
    color: #fff !important;
    font-weight: 600;
    font-size: 21px;
}

#palestrante .item .img-wrap {
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#palestrante .item figure img {
    display: none;
}


#mobile-btn { display: none; }

@media (max-width: 800px) {
    #mobile-btn {
        display: block;
    }
}

@media (min-width: 800px) {

}