body {
  background-color: #f8f9fa;
}

.navbar {
  border-bottom: 1px solid #eeeeee;
}

.navbar a {
  font-size: 30px;
}

.banner {
  background-image: url('../img/banner.jpg');
  height: 550px;
  background-size: cover;
  background-position: right center;
  border-radius: 5px;
}

.category {
  font-size: 25px;
}

.category>.active {
  border-radius: 5px;
  background-color: #007bff;
}

.category>.active>a {
  color: white;
}

.adoptBtn {
  display: inline-block;
}

@media (max-width: 576px) {
  .banner {
    height: 200px;
  }
}