html,
body {
  margin: 0;
  font-size: 16px;
  padding: 0;
  font-family: --apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  padding: 0 0 3em 0;
}

input,
button {
  font-family: --apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 16px;
}

.container {
  max-width: 640px;
  padding: 0 16px;
  margin: 0 auto;
}