ol, ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 0;
}

/* default styles */
body {
   font-family: Avenir Next , 'ヒラギノ角ゴシック Pro', 'Hiragino Kaku Gothic Pro', 游ゴシック体, 'Yu Gothic', YuGothic, メイリオ, Meiryo, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
}
:focus {outline: 0;}

.cf:before,
.cf:after {
  content: "";
  display: table;
}

.cf:after {
  clear: both;
}