/* thumb-wrap */
.thumb-wrap iframe {
    margin: 0 auto;
    display: block;

}
@media (max-width: 767px) {
    .thumb-wrap {
      position: relative;
      /*padding-bottom: 56.25%; */
        padding-bottom: 68.25%;
      height: 0;
      overflow: hidden;
    }
    .thumb-wrap iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border-width: 0;
      outline-width: 0;
    }
}

/* / thumb-wrap */



.center-block  .lt-block-wrapper div#serial {
    margin-bottom: 20px;
    text-align: center;
    padding: 30px;
    font-size: 24px;
    background: #ffffff;
    border-radius: 4px;
    font-weight: 700;
}