.search__categories {
    display: flex;
}

.search__category {
    display: block;
    color: inherit;
    text-decoration: none;
    background-color: var(--accent-colour);
    box-shadow: 0 1px 2px #000A;
    text-shadow: 0 1px 4px #000;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 5px;
    font-size: 1.1em;
    margin: 1px 1px 1px 0;
}

.search__category__background {
    background-color: var(--background-colour-translucent-9);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: background-color .2s;
}
.search__category:hover .search__category__background,
.search__category:focus .search__category__background {
    background-color: var(--background-colour-translucent-8);
}
.search__category:active .search__category__background {
    background-color: var(--background-colour-translucent-7);
}

.search__category__content {
    padding: 2px 5px;
}