body,
html {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell,
    Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
}
h1 {
  font-weight: 700;
}
* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}