*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: #80ffff;
  padding: 1rem;
}

main {
  max-width: 10000px;
  margin: 0;
}

article {
  margin: 0;
}

a:visited {
  text-decoration: none;
  color: white;
}

#container {
  background-color: #fffcdd;
  width: 80%;
  margin: 0 auto;
  border: 5px solid grey;
  outline: solid 2px black;
}

#comment {
  background-color: rgb(25, 186, 226);
  color: black;
  font-family: aerial;
  font-style: italic;
  font-size: large;
  padding: 10px 50px;
}

#header {
  margin: 0 auto;

  top: 0px;
  background-color: #e81408;
  color: white;
  text-align: center;
  padding: 1px 0px;
  outline: solid 2px black;
}

#footer {
  width: 100%;
  padding: 20px;
  background-color: #666666;
  color: white;
  text-align: right;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  font-family: Avenir, Roboto, Helvetica, san-serif;
  font-size: 80%;
}

.chapter {
  display: flex;
  flex-flow: column;
  border: 1px solid black;
  border-radius: 1rem;
  padding: 2rem;
}

.pic {
  padding: 0;
  width: 18em;
  height: 18em;
  object-fit: cover;
}

.chapter > h1 {
  margin: 1rem 1rem 0;
}

.chapter > ul {
  margin: 0 0 1rem;
}

.chapter > p {
  margin: 0.23em 1rem 1rem;
}

.chapter > img {
  order: -1;
  align-self: center;
}

.chapter > button {
  margin-top: auto;
  background: teal;
  color: white;
  padding: 0.5rem;
  border: none;
  border-radius: 1rem;
  font-size: 1.2rem;
}