header {
  padding: 0;
}

.search {
  text-align: center;
}

p input {
  display: inline-block;
}

main {
  padding-top: 0;
}

main.narrow {
  max-width: 700px;
}

header nav {
  margin-bottom: 0;
}
aside > a {
  display: block;
  color: black;
  text-decoration: none;
}
aside img {
  height: 160px;
  width: 100%;
  object-fit: cover;
  object-position: center center;
}

.section-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}