gabrielsimmer.com/assets/styles.css

:root {
  --background-colour: #fff;
  --text-colour: #222;
  --php: rgb(136, 146, 191);
  --javascript: #83CD29;
  --go: #00ADD8;
  --flutter: #02569B;
  --clojure: #62B132;
  --rust: #DEA584;
  --python: #4584B6;
  --svelte: #ff3e00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-colour: #202225;
    --text-colour: #dcddde;
    --flutter: #0175C2;
    --python: #FFDE57;
  }
}

html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system,BlinkMacSystemFont,avenir next,avenir,segoe ui,helvetica neue,helvetica,Cantarell,Ubuntu,roboto,noto,arial,sans-serif;
  color: var(--text-colour);
  font-size: 1.8em;
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--background-colour);
}

main {
  margin: auto;
  padding: 2rem;
  max-width: 72ch;
}

h1, h2 {
  font-weight: 500;
}

a, a:visited {
  color: var(--text-colour);
}