body {
  background-color: #F4F4F4;
  margin-left: auto;
  margin-right: auto;
  max-width: 48rem;
  padding: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, Adwaita Sans, Cantarell, Ubuntu, roboto, noto, helvetica, arial, sans-serif;
}

header {
  text-align: center;
}

.no-list-style {
  list-style: none;
}

.no-margin-bottom {
  margin-bottom: 0;
}

.no-margin-top {
  margin-top: 0;
}