div.jumbotron {
  background-image: url(../img/games_back.jpg);
  background-repeat: no-repeat;
  background-position: left center;
}

/* 画面キャプチャ */
div.media img.media-object {
  margin-bottom: 8px;
}

/* ダウンロードパネル */
div#download {
  font-size: 150%;
}

div#download .text-muted {
  font-size: 70% !important;
}