.trailer {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url(/images/manu/fondo_fenix.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
  }
  iframe {
    padding: 10px;
  }

  .cerrar {
    color: #444;
    font-size: 34px;
    font-weight: bold;
    position: absolute;
    top: 10vh;
    right: 5vw;
    cursor: pointer;
  }
  .cerrar:hover {
    color: #fac231;
  }