body {
    font: 100% "Trebuchet MS",Verdana,"Lucida Grande",Tahoma,Helvetica,Sans-Serif;
    font-size: 13.33px;
    background-color: #111;
    margin: 0;
    padding: 0;
}
h1{
    font-size: 1em;
    margin: 0;
    font-weight: 100;
    float: left;
    width: 50%;
}
h1 a{
    color: #999;
    text-decoration: none;
    font-weight: 600;
}
h1 a:hover{
    color: #fff;
}
#viewer_embed{
    z-index: 1;
    background-color: #050505;
    text-align: center;
}

#viewer_embed_next{
    float: right;
}

#viewer_control{
    color: #CCCCCC;
    font-size: 1em;
    padding: 1em;
    border-top: 1px solid #222;
    box-shadow: 0px -2px 5px 0px #101010;
    position: absolute;
    bottom: 0;
    width: calc(100% - 2em);
    height: 25px;
    background-color: #111;
    line-height: 25px;
}
#viewer_control .title{
    text-align: center;
}
#viewer_control .page_control{
    float: right;
    display: none;
}
#viewer_control .page_control .page{
    background-color: #111;
    border: 1px solid #333;
    color: #999999;
    text-align: right;
    width: 28px;
    padding: 2px;
}

#viewer_embed_next{
    position: absolute;
    border-radius: 10px 0px 0px 10px; 
    -moz-border-radius: 10px 0px 0px 10px; 
    -webkit-border-radius: 10px 0px 0px 10px; 
    border-top: 1px solid #777777;
    border-bottom: 1px solid #777777;
    border-left: 1px solid #777777;
    background-color: #000000;
    opacity: 0.3;
    filter : alpha(opacity=30);
    width:50;
    height:100;
    top:calc(50% - 50px);
    z-index: 10000;
    right: 0;
}
#viewer_embed_previous{
    position: absolute;
    border-radius: 0px 10px 10px 0px; 
    -moz-border-radius: 0px 10px 10px 0px; 
    -webkit-border-radius: 0px 10px 10px 0px; 
    border-top: 1px solid #777777;
    border-bottom: 1px solid #777777;
    border-right: 1px solid #777777;
    background-color: #000000;
    opacity: 0.3;
    filter : alpha(opacity=30);
    width:50;
    height:100;
    top:calc(50% - 50px);
    z-index: 10000;
    left:0px;
}
#viewer_embed_previous img, #viewer_embed_next img 
{
    margin-top: 26px;
    margin-bottom: 18px;
}
#viewer_embed_previous:hover, #viewer_embed_next:hover
{
    opacity: 0.6;
    filter : alpha(opacity=60);
    cursor: pointer;
}
#viewer_content{
    width: calc(60%);
    display: inline-block;
}
#viewer_alto{
    color: #fff;
    width: calc(50% - 72px);
    float: right;
    margin: 20px 20px 20px 0px;
    padding: 20px;
    border: 1px solid#333;
    background-color:#111;
    text-align: left;
    overflow-y: scroll;
}
#viewer_img{
    color: #fff;
    width: calc(50% - 72px);
    float: left;
    margin: 20px 0px 20px 20px;
    text-align: center;
    border: 1px solid#333;
    background-color:#111;
    padding: 20px;
}
#viewer_img img{
    max-width: 100%;
    max-height: 100%;
}

.href_previous{
    float: left;
    color: #CCCCCC;
    width: 25%;
}
.href_next{
    float: right;
    color: #CCCCCC;
    width: 25%;
    text-align: right;
}


@media (max-width: 800px) {
  #viewer_alto, #viewer_img {
      float: none;
  }
  #viewer_img,#viewer_alto{
      width: calc(100% - 60px);
      margin: 10px;
      height: auto!important;
  }
  
  #viewer_control{
      position: relative;
  }
}