#container {
    background: url(../images/logimed-contacto.jpg) no-repeat center;
    background-size: cover;
}
.desc {
    position: fixed;
    background: rgba(255,255,255,.6);
    left: 250px;
    bottom: 0;
    padding: 60px 40px 60px;
    max-width: 50%;
    line-height: 1.5em;
    z-index: 2;
    transition: opacity .3s;
}
.desc p {
    margin: 10px 0;
}
.desc a {
    color: #154d70;
    text-decoration: none;
}
.desc a:hover {
    color: #376f92;
}

@media (min-width: 801px) and (max-width: 1024px) {
    #container {
        display: table;
        vertical-align: middle;
        padding: calc(10% - -60px) 20% 10%;
    }
    .desc {
        position: relative;
        display: table-cell;
        left: auto;
        bottom: auto;
        padding: 60px 40px 60px;
        vertical-align: middle;
    }
}

@media(max-width: 800px) {
    .desc {
        position: relative;
        width: 100%;
        max-width: 100%;
        left: 0;
    }
}