body {
  background-color: #000;
  color: #fff;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

nav {
  position: sticky;
  top: 0;
  background: linear-gradient(to bottom, chocolate, coral, chocolate);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  z-index: 10;
}

nav a {
  color: peachpuff;
  font-size: 18px;
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
}

nav a:hover {
  color: white;
}

nav i.back-icon {
  margin-right: 4px;
  margin-top: 3px;
}

nav i.back-icon svg {
  width: 32px;
  height: 32px;
}

header {
  text-align: center;
  /* background-color: #212121; */
  color: darkseagreen;
}

footer {
  text-align: center;
  color: darkseagreen;
}

main {
  flex: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}