.about-collage__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
    .about-collage__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.home-feature-image1 {
    grid-row: 1 / 2;
    grid-column: 1 / -1;
}

@media screen and (min-width: 768px) {
    .home-feature-image1 {
        grid-row: 1 / -1;
        grid-column: 1 / -2;
    }
}

.program-categories {
    display: inline;
    list-style-type: none;
}

.program-categories li {
    padding-right: 40px;
    padding-left: 40px;
    border-right: solid 1px #c1c1c1;
    display: inline;
}

.program-categories li:first-child {
    padding-left: 0;
}

.program-categories li:last-child {
    border-right: none;
    padding-right: none;
}

@media (max-width: 768px) {
    .program-categories li {
        padding-right: 20px;
        padding-left: 20px;
    }
}

@media (max-width: 550px) {
    .program-categories li {
        padding-right: 5px;
        padding-left: 5px;
    }
}

.thumbnails {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.thumbnails>.thumbnail {
    margin: 10px;
}

.thumbnail {
    width: 200px !important;
    height: 200px;
    flex-shrink: 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 4px 12px 0 rgba(0, 0, 0, 0.19);
}

.thumbnail img {
    object-fit: cover;
    height: 200px;
    width: 200px;
    object-position: 50% 50%;
    border-radius: 8px;
}