.bb-custom-cover {
  position: absolute;
  width: 100%;
  height: 100%;
  left: -48.421%;
  right: 0;
  margin: 0 auto;
  line-height: 0;
  z-index: 150; }

.bb-custom-nav {
  position: absolute;
  width: 40.834vw;
  max-width: 490px;
  min-width: 395px;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  margin: 0 auto;
  padding: 0 0 0 1.5%;
  font-size: 0;
  z-index: 200;
  -webkit-box-sizing: border-box;
  box-sizing: border-box; }
  .bb-custom-nav a {
    display: inline-block;
    width: 29.415%;
    min-width: 115px;
    margin-top: 95.49%;
    background: #fff; }
    .bb-custom-nav a img {
      -webkit-box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.7);
      box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.7); }
    .bb-custom-nav a:hover img {
      opacity: 0.7; }
    .bb-custom-nav a + a {
      margin-left: 2%; }

.bb-item.first {
  display: none; }

.bb-vertical .bb-content {
  background: transparent; }