@media screen and (min-width: 640px) {
  #Choco_overlay {
    background: #0a0a0a !important;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    height: 100%;
    display: none;
    padding: 0;
    margin: 0;
  }

  #Choco_content {
    display: none;
    height: 427px !important;
    width: 640px !important;
    margin-left: -320px !important;
    margin-top: -213.5px !important;
    z-index: 1001;
    position: fixed;
    left: 50%;
    top: 50%;
    border-top: 1px solid transparent;
    /*Yes, adjust image perfectly at the center of a box, don't know why.*/
  }

  #Choco_left_arrow {
    float: left;
    background-image: url(../images/left.png) !important;
    background-position: 12%;
    left: -15%;
  }

  #Choco_right_arrow {
    float: right;
    background-image: url(../images/right.png) !important;
    background-position: 88%;
    left: 15%;
  }

  .Choco_arrows {
    background-repeat: no-repeat;
    display: none;
    position: relative;
    cursor: pointer;
    width: 49%;
    top: -100%;
    height: 100%;
    margin-top: -30px;
  }

  #Choco_container_photo {
    text-align: center;
    width: 640px !important;
    height: 427px !important;
    /*background:url(../images/ajax-loader.gif) center center no-repeat;*/
  }

  #Choco_container_description {
    padding: 0;
    height: 26px;
    width: 100%;
    color: #ffffff;
    font-family: Tahoma;
    clear: both;
    position: relative;
    font-size: 12px;
    margin-top: -5px;
    overflow: hidden;
    visibility: hidden;
  }

  #Choco_container_title {
    float: left;
    padding: 5px;
  }

  #Choco_container_via {
    padding: 5px;
    float: right;
  }

  #Choco_container_via a {
    color: gray;
  }

  #Choco_container_via a:hover {
    color: white;
    background: gray;
  }

  #Choco_close {
    width: 32px;
    height: 32px;
    background-image: url(../images/close.png) !important;
    background-repeat: no-repeat;
    z-index: 1002;
    cursor: pointer;
    margin: 0px 0px 15px 0px;
    display: none;
  }

  #Choco_loading {
    width: 9px;
    height: 11px;
    background-image: url(../images/loading.gif);
    background-repeat: no-repeat;
    z-index: 1002;
    cursor: pointer;
    float: right;
    margin-top: -20px;
    display: none;
  }

  #Choco_bigImage {
    display: none;
    position: relative;
    width: 640px !important;
    height: 427px !important;
    margin-top: -5px;
  }
}

@media screen and (max-width: 500px) {
  #Choco_overlay {
    background: #0a0a0a !important;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    height: 100%;
    display: none;
    padding: 0;
    margin: 0;
  }

  #Choco_content {
    display: none;
    /* width: 480px !important; */
    margin-left: -240px !important;
    z-index: 1001;
    position: fixed;
    left: 50%;
    top: 50%;
    border-top: 1px solid transparent;
    /*Yes, adjust image perfectly at the center of a box, don't know why.*/
  }

  #Choco_left_arrow {
    float: left;
    background-image: url(../images/left.png) !important;
    background-position: 12%;
    left: 15%;
  }

  #Choco_right_arrow {
    float: right;
    background-image: url(../images/right.png) !important;
    background-position: 88%;
    left: 48%;
  }

  .Choco_arrows {
    background-repeat: no-repeat;
    display: none;
    position: relative;
    cursor: pointer;
    width: 49%;
    top: -75%;
    height: 100%;
    margin-top: -30px;
  }

  #Choco_container_photo {
    text-align: center;
    width: 480px !important;
    /*background:url(../images/ajax-loader.gif) center center no-repeat;*/
  }

  #Choco_container_description {
    padding: 0;
    height: 26px;
    width: 100%;
    color: #ffffff;
    font-family: Tahoma;
    clear: both;
    position: relative;
    overflow: hidden;
    margin-left: 30%;
  }

  #Choco_container_title {
    float: left;
    padding: 5px;
  }

  #Choco_container_via {
    padding: 5px;
    float: right;
  }

  #Choco_container_via a {
    color: gray;
  }

  #Choco_container_via a:hover {
    color: white;
    background: gray;
  }
}