html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: sans-serif;
}

header {
  background-color: #eee;
  padding: 1rem;
  text-align: center;
}

main {
  flex-grow: 1; /* Allows main content to take up available space */
  padding: 1rem;
  background-color: #f8f8f8;
}

footer {
  background-color: #eee;
  padding: 1rem;
  text-align: center;
  color: #555;
}