body {
  font-family: Avenir, "Open Sans", "Helvetica Neue", Helvetica, Arial, Verdana, Roboto, "游ゴシック", "Yu Gothic", "游ゴシック体", "YuGothic", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Meiryo UI", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  color: #444;
  background-color: hsl(0, 0%, 96%);
}