body {
  background: var(--secondacc)
    linear-gradient(var(--secondacc), var(--thirdacc));
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  gap: 0.5rem;
  height: 100vh;
}
main {
  background: var(--accent);
  border: 0.2rem solid var(--black);
  box-shadow: 0.3rem 0.3rem var(--black);
  padding: 0.5rem;
  max-width: 500px;
  height: fit-content;
}
#button {
  margin-top: 0.7rem;
}
#back {
  padding: 0.5rem 1rem;
  border: 0.2rem solid var(--black);
  background: var(--accent);
  transition: 0.2s;
  text-decoration: none;
  font-weight: bold;
  color: var(--black);
}
#back:hover {
  box-shadow: 0.3rem 0.3rem var(--black);
  text-decoration: underline;
}
h1 {
  margin: 0;
  padding: 0;
}
hr {
  border: 0.1rem solid var(--black);
}
a {
  text-decoration: underline dotted;
  transition: 0.2s;
  color: var(--black);
}
a:hover {
  font-style: italic;
}