.tax-publication .entry.issue {
    text-align: center;
    margin: 0 0 5px;
}

.tax-publication .entry-title {
    font-size: 16px;
}

.tax-publication .entry.issue .entry-image-link {
    display: inline-block;
}

.tax-publication .entry.issue img {
    display: block;
    margin: 0 auto;
    border: 1px solid rgba(0,0,0,0.2);
    box-shadow: 3px 5px 5px rgba(0,0,0,0.2);
}

@media screen and (min-width:960px) {

    .tax-publication .entries.issues {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .tax-publication .entry.issue {
        width: calc((100% / 3) - 5px);
        margin-right: 5px;
        padding: 10px;
    }

    .tax-publication .entry.issue:nth-child(3n) {
        width: calc(100% / 3);
        margin-right: 0;
    }

}