:root {
  --background-color: #ededed;
  --foreground-color: #121212;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #121212;
    --foreground-color: #ededed;
  }
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  display: grid;
  place-items: center;
  margin: 0;
  font-family: sans-serif;
  background-color: var(--background-color);
  color: var(--foreground-color);
}

::selection {
  background-color: var(--foreground-color);
  color: var(--background-color);
}

main {
  padding: 1em 0;
  text-align: center;
}

img {
  width: 12em;
  border: 0.25em solid currentColor;
  border-radius: 50%;
}

h1 {
  margin: 0.5em 0 0 0;
  font-size: 2.5em;
  text-transform: uppercase;
  letter-spacing: 0.125em;
}

h2 {
  margin: 0.25em 0 1em 0;
  font-size: 1.5em;
  opacity: 0.8;
}

a {
  display: inline-block;
  width: 2em;
  height: 2em;
  margin: 0 0.5em;
  color: currentColor;
  transition: opacity 0.1s linear;
}

a:hover {
  opacity: 0.6;
}

svg {
  fill: currentColor;
}