.post-excerpt-cover {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, 0.66);
    backdrop-filter: blur(3px);
    border-radius: 0.5rem;
    padding: 2.5rem 1rem 1rem 1rem; /* more padding on top due to the category ribbon with higher z-index. */
    font-size: var(--opie-font-size-small);
    color: var(--opie-base);
    box-sizing: border-box;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.post-excerpt-cover:hover {
    opacity: 1;
}