#gallery {
    padding: 0 30px;

  }
  #descriptions {
    position: relative;
    height: 50px;
    background: #EEE;
    margin-top: 10px;
    width: 640px;
    padding: 10px;
    overflow: hidden;
  }
    #descriptions .ad-image-description {
      position: absolute;
    }
      #descriptions .ad-image-description .ad-description-title {
        display: block;
      }