Template:CatBrowser/styles.css

.catbrowser {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    padding: 0.4rem;
    row-gap: 0.2rem;
}
.cattitle {
    font-weight: bold;
    display: block;
}
.catsection {
    display: flex;
    flex-flow: row wrap;
}
.catsection .cattitle a {
    margin: 0;
    font-family: inherit;
}
.catsection a {
    margin: 0 0.2rem;
}
.catbrowser hr {
    margin: 0;
    align-self: stretch;
}