.fp25-tile-lb {
  position: fixed;
  background: rgba(0,0,0,0.92);
  top: 0; left: 0;
  height: 100%; width: 100%;
  z-index: 50;
}

.fp25-tile-lb * {
  color: white;
}

#gallery_x {
  position: absolute;
  right: 24px;
  top: 24px;
  width: 32px;
  height: 32px;
  background-image: url(x.png);
  background-size: contain;
  background-position: 50% 50%;
  opacity: 0.5;
  z-index: 60;
  cursor: pointer;
}
  #gallery_x:hover {
    opacity: 1;
  }

#gallery_headline,
#gallery_mainpic,
#gallery_desc,
#gallery_previews {
  overflow: hidden;
}

#gallery_headline {
  height: 10%
}
#gallery_headline * {
  text-align: center;
}

#gallery_mainpic_fadehelper,
#gallery_mainpic {
  width: 90%;
  height: 68%;
  margin: 0 auto;
  position: relative;
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;  
}

#gallery_mainpic_fadehelper {
  position: absolute;
  -webkit-transform: translateY(-100%);
      -ms-transform: translateY(-100%);
          transform: translateY(-100%);
  left: 5%;
  z-index: 49;
}

#gallery_mainpic {
  z-index: 51;
}

.gallery_nav_left,
.gallery_nav_right {
  height: 32px;
  width: 32px;
  top: 50%;
  position: absolute;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  z-index: 60;
  opacity: 0.75;
  cursor: pointer;
}
  .gallery_nav_left:hover,
  .gallery_nav_right:hover {
    opacity: 1;
  }
  .gallery_nav_left {
    background-image: url(pfeil-l.png);
  }
  .gallery_nav_right {
    background-image: url(pfeil-r.png);
    right: 0;
  }

#gallery_desc {
  position: relative;
  height: 5%;
  left: 10%;
}
  #gallery_desc #gallery_desc_headline {
    font-weight: bold;
  }
  #gallery_desc #gallery_desc_text {
    font-size: 75%;
  }

#gallery_previews {
  height: 20%;
}
  #gallery_previews:after {
    content: "";
    position: absolute;
    z-index: 51;
    pointer-events: none;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: -webkit-linear-gradient(left, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0) 10%, rgba(0,0,0,0) 90%, rgba(0,0,0,0.75) 100%);
    background: linear-gradient(to right, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0) 10%, rgba(0,0,0,0) 90%, rgba(0,0,0,0.75) 100%);
  }

#gallery_previews_container {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  position: relative;  
}

  #gallery_previews .gallery_preview_pic {
    -webkit-flex-shrink: 0;
        -ms-flex-negative: 0;
            flex-shrink: 0;
    -webkit-box-flex: 0;
    -webkit-flex-grow: 0;
        -ms-flex-positive: 0;
            flex-grow: 0;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    cursor: pointer;
    margin: 5px 1px 0px 1px;  
}