.forum__leaderboard__category {
    display: inline-block;
    color: inherit;
    text-decoration: none;
    margin: 2px;
    padding: 2px 5px;
    border-radius: 4px;
    transition: background-color .2s;

    &:hover,
    &:focus {
        background-color: fade(#fff, 20%);
    }

    &--active,
    &:active {
        background-color: fade(#fff, 10%);
    }
}