body {
  background-color: mediumturquoise;
  display: flex;
  flex-direction: column;
  text-align: center;
}

footer {
  background-color: aquamarine;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}