body {
  font-family: Arial, sans-serif;
  background-color: #FFF;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #7E675A;
  padding: 10px;
}

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

nav li {
  margin: 0 10px;
}

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

nav a:hover {
  text-decoration: underline;
}

main {
  flex: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.categories {
  background-color: #C9ADA7;
  padding: 10px;
  margin-bottom: 20px;
}

.categories h2 {
  font-size: 1.5em;
  margin-top: 0;
}

.categories ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.categories li {
  margin-bottom: 10px;
}

.categories a {
  color: #333;
  text-decoration: none;
}

.categories a:hover {
  text-decoration: underline;
}

.listings {
  background-color: #D4C7B4;
  padding: 10px;
  margin-bottom: 20px;
}

.listings h2 {
  font-size: 1.5em;
  margin-top: 0;
}

.listings ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.listings li {
  margin-bottom: 10px;
}

.listings a {
  color: #333;
  text-decoration: none;
}

.listings a:hover {
  text-decoration: underline;
}

footer {
  background-color: #7E675A;
  color: #fff;
  padding: 10px;
  text-align: center;
  align-self: flex-end;
  width: 100%;
}