.f2.gray {
    background-color: var(--lgray);
}

.gray picture  {
    position: relative;
    display: block;
}

.gray picture nav {
    position: absolute;
    bottom: 4px;
    right: 4px;
    line-height: 0;
}

.gray picture nav a {
    display: inline-block;
    width: 60px;
    height: 60px;
    background-color: rgba(193, 155, 118, 0.8);
    text-decoration: none;
    position: relative;

    cursor: pointer;
}

.gray picture nav a:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.gray picture nav a::after {
    content: '';
    display: block;
    width: 15px;
    height: 15px;
    border-top: 2px solid #FFF;
    border-left: 2px solid #FFF;
    position: absolute;
    top: 22px;
}

.gray picture nav a:first-child::after {
    transform: rotate(-45deg);
    left: 25px;
}

.gray picture nav a:last-child::after {
    transform: rotate(135deg);
    right: 25px;
}

.gray > div:last-child {
    padding: var(--gap);
}