/* flex box grid for sketches with rollover thumbnails */
section {
    display: flex;
    gap: 1em;
    row-gap: 1em;
    column-gap: 1em;
    flex-direction: row;
    flex-wrap: wrap;
    margin: 1em 0 1em 0;
}

/* each sketch is an article */
article {
    /*flex: 1 200px;*/
    /*flex: flex-grow flex-shrink flex-basis|auto|initial|inherit;*/
    flex: 1 40%;
    border: #738ab8 solid 2px;
    border-radius: 1em;
    box-shadow: 0.2em 0.2em .7em rgba(0, 0, 0, .25);
    padding: 0 1.25em .5em 1em;
    /* don't need a margin because of flex gap property above */
    margin: 0;
    background-color: #96b1e2;
}

article p {
    padding: 0;
    margin: .5em;
    margin-bottom: .5em;
}

article h3 {
    padding: 0;
    margin: .75em .5em .5em .5em;
}

article img {
    width: 100%;
    margin: 0 0 0 0;
    border-radius: .25em;
    border: #607297 solid 2px;
    transition: .2s ease;
}

article p a {
    color: #1f55ad;
    font-family: 'Exo 2', sans-serif;
    font-size: 1em;
    text-transform: uppercase;
    font-weight: bold;
    text-align: center;
    transition: .2s ease;
}

/*rollover effects*/
article .thumbnail:hover a {
    color: #d07820;
    font-size: 1.5em;
}

article .thumbnail:hover img {
    border-color: #d07820;
}