body {
  background-color: #222222;
  margin: 0;
}

main {
  color: #dddddd;
  font-family: sans;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

h1 > a,
h1 > a:visited {
  color: #dddddd;
}

a {
  color: cornflowerblue;
}

a:visited {
  color: mediumorchid;
}

label {
  margin-right: 0.25em;
}

input,
select,
textarea,
.button {
  background-color: #222222;
  color: #dddddd;
  padding: 0.5rem;
  border: 2px solid #dddddd;
  border-radius: 5px;
  margin-bottom: 1rem;
  max-width: calc(100vw - 3rem - 4px);
}

.button {
  cursor: pointer;
}

a.button {
  text-decoration: none;
}

a.button:visited {
  color: #dddddd;
}

.button:hover {
  background-color: #444444;
}

.button.main {
  background-color: green;
}

.button.main:hover {
  background-color: forestgreen;
}