body {
  margin: 0;
  padding: 0 1rem;
}

h1 {
  text-align: center;
}

main {
  display: grid;
  gap: 1rem;
}

@media (width >= 600px) {
  main {
    grid-template-columns: 1fr 1fr;
  }
}

.puppies {
  display: grid;
  gap: 1ch;
  padding-left: 0;
  list-style-type: none;
}

.puppies a {
  display: block;
  border: 1px solid #ccc;
  border-radius: 0.25rem;
  padding: 1ch;
  text-decoration: none;
  color: black;
}

.puppies a:hover {
  background: #eee;
  font-style: italic;
}

.puppies li.selected {
  font-weight: bold;
  font-style: italic;
}

form {
  display: grid;
  gap: 1ch;
  padding: 0 1rem;
}

label {
  display: grid;
}

button {
  margin-top: 2ch;
}

button a:hover {
  background: #eee;
  font-style: italic;
}

img {
  width: 200px;
  height: 200px;
}