body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f7f7f7;
  color: #333;
}

header {
  background: #222;
  color: #fff;
  padding: 1rem 0;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
}

.hero {
  background: url('images/hero-dog.jpg') no-repeat center center/cover;
  color: white;
  padding: 60px 20px;
  text-align: center;
}

section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
  background: white;
  margin-bottom: 20px;
}

.dog-profile {
  display: inline-block;
  width: 45%;
  margin: 10px 2.5%;
  text-align: center;
}

.dog-profile img {
  width: 100%;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #222;
  color: #fff;
}