:root{--hero-img:url("img/cover.webp");--guide-accent:#8cdbcc}
.main-welcome{background-image:linear-gradient(125deg,rgba(15,26,47,.35),rgba(17,24,42,.88)),var(--hero-img);background-position:center;background-size:cover}
.main-welcome h2{color:var(--guide-accent)}.content-body h2{border-left-color:var(--guide-accent)}