simple.css

@charset "utf-8";
@import "normalize";

html {
  font-size: 62.5%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;

  font-size: 2rem;
  line-height: 1.5;

  background-color: #FFFFE5;
  color: #0A0A0A;
}

header, main {
  max-width: 1020px;

  margin-left: auto;
  margin-right: auto;

  padding: 0px 15px;
}