:root { /* change according theme setting */
  --main-color: #1D2234;
  --secondary-color: #E428A9;
}
.custom-portfolio .project .dfd-folio-categories .byline.category a{
    color:white;
    border: 1px solid transparent;
    background:var(--secondary-color);
}
.custom-portfolio .project .dfd-folio-categories .byline.category a:hover{
    color:var(--main-color);
    background:white;
}