#fullscreen_img{
      position: absolute;
      width: 100%;
      height: 100%;
      background-color: rgba(255,255,255,0.9);
      top:0px;
      left:0px;
      z-index:1051;
      
  }
  .fullscreen_close,.reset-zoom, .plus-zoom, .minus-zoom,.download-original{
         position: absolute;        
        top: 8px;
        font-size: 17px;
        color: black;
        padding: 3px 8px;
        background-color: #f2f2f2;
        border-radius: 4px;
        border: 1px solid #777;
        cursor: pointer;
  }
  .fullscreen_close{
    right: 8px;
  }
  .plus-zoom{
    right: 48px;
  }
  .minus-zoom{
    right: 88px;
  }
  .reset-zoom{
    right: 128px;
  }
  .download-original{
    right: 170px;
  }
  .presentation-toggler-lightbox{
      right:168px;
  }
  .maximize-zoom{
    float: right;
    display: inline-block;
    cursor: pointer;
    font-size: 1.3em;
    margin-right: 12px; 
    font-size: 1.3em;
    margin-right: 12px;
    border: 1px solid #ececec;
    padding: 1px 8px;
    border-radius: 3px;
    color: #CDCDCD;
}
.maximize-zoom{
    margin-right: 30px;
}

.fullscreen_close:hover,.reset-zoom:hover, .plus-zoom:hover, .minus-zoom:hover,.maximize-zoom:hover,.download-original:hover{    
    color: #999;
    background-color: #DDD;
}
  
.left_fullscr,.right_fullscr{
    display: block;
    width: 30px;
    height: 80px;
    font-size: 80px;
    position: absolute;
    top: 50%;
    cursor: pointer;
    font-weight: bold;
    text-shadow: 0px 0px 3px #FFFFFF;
    z-index: 1009;
}
.right_fullscr{
    right: 50px;
}
.left_fullscr{
    left: 5px;
}

.left_fullscr:hover,.right_fullscr:hover{
    color: #CDCDCD;
}