body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

* {
  margin: 0;
  padding: 0;
}

body {
  margin: 2rem 0;
  margin-bottom: 0 !important;
}

article {
  margin: 0 0.5rem;
  border: 2px solid #333;
  padding-bottom: 1rem;
}

h1, h2, div.grid {
  padding: 1rem;
}

ul, li {
  margin-left: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

h3, p {
  padding: 1rem 1rem 0.5rem 1rem;
}

h1 {
  font-size: 1.8rem;
  border-bottom: 2px solid #333;
  padding-top: 1.5rem;
}

p {
  line-height: 1.5em;
}

.code {
  background-color: #DDD;
  border-radius: 4px;
  padding: 4px;
  font-family: monospace;
}

div.code {
  margin: 0 1rem;
  display: inline-block;
}

.back-button {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;

  border: 2px solid #333;
  padding: 0.5rem;
  background-color: white;

  color: #333;
  text-decoration: none;
}

.blocklink {
  box-sizing: border-box;
  border: 2px solid #333;
  padding: 0.5rem;
  color: #333;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.5rem;
  border-radius: 0.2rem;
}

.blocklink.small {
  border: 1px solid #333;
  padding: 0.2rem 0.3rem 0 0.3rem;
  padding-bottom: 0;
  margin-bottom: 0;
}

.blocklink:hover {
  background-color: #CCC;
}

@media screen and (min-width: 65rem) {
  article {
    margin: 0 auto;
    max-width: 50rem; 
  }

  body {
    margin: 2rem 0;
  }
}

footer {
  display: flex;
  justify-content: center;
  padding: 1rem;
}

footer a {
  text-decoration: none;
  color: black;
  border-bottom: 1px solid black;
  margin: 0 0.5rem;
}

.grid.col-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.grid .blocklink {
  margin-bottom: 0;
}

@media screen and (min-width: 65rem) {
  .grid.col-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.notice {
  background-color: #fdf8c5;
  margin-bottom: 1rem;
}