body, button {
  font-family: sans-serif;
  margin: 0px;
  padding: 0px;
}

header {
  background: #002b55cc;
  color: white;
  padding: 1rem 2rem;
  text-align: center;
  backdrop-filter: blur(5px);
}

main {
  padding: 2rem;
  max-width: 960px;
  margin: auto;
}

button {
  background: #002b5515;
  border: 5px solid #002b55;
  border-radius: 4px;
  width: 176px;
  height: 48px;
  text-align: center;
  display: block;
  vertical-align: middle;
}

pre {
  background: #002b5515;
  padding: 2rem;
  white-space: pre-line;
  border-left: 5px solid #002b55;
  overflow-x: auto;
  font-family: monospace;
  font-size: large;
}

pre p {
  color: black;
  font-weight: bold;
  font-size: 18px;
}

#links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: ruby;
  gap: 2px;
  align-content: center;
  justify-content: center;
}

.center {
  text-align: center;
}