/* .photo-background covers the entire viewport */
div.photo-background {
    position: fixed;
    height: 100%;
    width: 100%;
}

img.mainphoto {
    max-width: 100%;
    max-height: 100%;
    display: block;

    /* Horizontal centering: */
    margin-left: auto;
    margin-right: auto;
    /* Vertical centering: */
    margin-top: auto; margin-bottom: auto;
    /* Alternatively: top: 50%; margin-top: -50%; */
}

img.inset_photo {
    position: absolute;
    left: 0px;
    top: 0px;
    z-index: 1;
    max-height: 50%;
    max-width: 25%;
}

p.subtitle {
    z-index: 2;
    font-size: xx-large;
    text-align: center;
    width: 100%;
    position: absolute;
    bottom: 10px;
    left: 0px;
}

p.maintitle {
  z-index: 2;
  font-size: 65px;
  font-weight: bold;
  text-align: center;
  width: 100%;
  bottom: 200px;
  left: 0px;
}

.carno { font-weight: bold; }

.next {
  visibility: hidden;
  display: none;
}