wallet-connect-web-examples/dapps/react-dapp-auth/styles/globals.css

:root {
  --primary-bg: #1e1e1e;
  --secondary-bg: #272a2a;
  --qr-bg: #141414;
  --text-color: white;
  --wc-btn-bg: #19324d;
  --wc-btn-brdr: #0f4b8a;
  --wc-btn-clr: #66b1ff;
}

* {
  transition: background 0.25s ease-in-out;
}

html,
body {
  color: var(--text-color) !important;
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

* {
  box-sizing: border-box;
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
  }
  body {
    color: white;
    background: black;
  }
}

.bg-primary {
  background: var(--primary-bg);
}

.bg-qr {
  background: var(--qr-bg);
}

.bg-secondary {
  background: var(--secondary-bg);
}

.wc-button {
  background: var(--wc-btn-bg) !important;
  border: solid 1px var(--wc-btn-brdr);
  color: var(--wc-btn-clr) !important;
}

.theme-switcher-dark > span > span {
  background: url("/moon.svg") no-repeat #66b1ff !important;
}

.theme-switcher-light > span > span {
  background: url("/sun.svg") no-repeat #66b1ff !important;
}

.theme-switcher > span {
  border: solid 2px white;
}

.theme-switcher-light > span {
  background: url("/moon.svg") no-repeat #3b4040 !important;
  background-repeat: no-repeat !important;
  background-position: 90% center !important;
}

.theme-switcher-dark > span {
  background: url("/sun.svg") no-repeat #3b4040 !important;
  background-repeat: no-repeat !important;
  background-position: 10% center !important;
}

.theme-switcher > span > span {
  background-repeat: no-repeat !important;
  background-position: center center !important;
}