div.collection_container {
    display: flex;
    flex-wrap: wrap;
}

div.collection {
    background-color: #1f1f1f;
    border: #444 2px solid;
    margin: 4px;
}


@media only screen and (min-width: 1000px) {
    div.collection {
        width: calc(33.3333% - 8px);
    }
}
@media only screen and (min-width: 600px) and (max-width: 999px) {
    div.collection {
        width: calc(50% - 8px);
    }
}
@media only screen and (max-width: 599px) {
    div.collection {
        width: calc(100% - 8px);
    }
}

div.collection h1 {
    margin: 10px;
    text-align: center;
}

div.collection div.col-desc {
    padding: 10px;
    font-family: sans-serif; /* FIXME: find suitable font */
    text-align: justify;
}

section.cta h2 {
    color: #1f1f1f;
}

/* Slide in stuff */

.col-img-container {
    position: relative;
}

.col-image {
    display: block;
    width: 100%;
    height: auto;
}
  
.col-img-desc {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(51, 51, 51, 0.4);
    overflow: hidden;
    width: 100%;
    height: 0;
    transition: .5s ease;
}
  
.col-img-container:hover .col-img-desc {
    height: 50%;
}
  
.col-img-desc div {
    color: white;
    font-size: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
}