* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arimo', sans-serif;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1 0 auto;
}