.post.has-post-thumbnail .post-categories{
    position: absolute;
    top: 10px;
    left: 10px;
}
.post.has-post-thumbnail .post-categories a{
    padding: 5px;
}
.post.has-post-thumbnail .post-categories a:hover{
    color: var(--color-headings);
    background-color: #eee;
}