html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, Avenir, "Avenir Next", "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  margin: 0;
  transition: background-color 1s ease-in-out;
}

.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}