body {
    background-color: #070707;
    color: #999;
    font-size: 12px;
    font-family: 'Doppio One',
                 'メイリオ',
                 Meiryo,
                 'ヒラギノ角ゴ Pro W3',
                 'Hiragino Kaku Gothic Pro',
                 'ＭＳ Ｐゴシック',
                 'MS PGothic',
                 sans-serif;
}
.hero-unit {
    text-align: center;
    color: #999;
    background-image: url("../img/cover.jpg");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat no-repeat;
    background-color: #070707;
    padding: 20px 0;
}
.container-fluid {
  margin-top: 20px;
}
footer {
    border-top: thin solid #222;
    margin-top: 20px;
    padding-top: 20px;
    text-align: right;
}