html {
  box-sizing: border-box;
  font-size: 16px;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  margin: 1rem;
  font-family: sans-serif;
  line-height: 1.5;
}

.container {
  width: fit-content;
  margin: auto;
}

.header {
  text-align: center;
}