blog.hugopoi.net/v2/static/css/cupper-hugo-tweaks.css

.main-and-footer > div {
  max-width: initial;
}

.pattern [aria-current] {
  clip-path: none;
  border-radius: 0.33em;
}

nav.language-selector {
  margin-top: initial;
}
.language-selector li {
  display: inline;
}