.white-popup {
  position: relative;
  background: #FFF;
  padding: 20px;
  width: auto;
  max-width: 800px;
  margin: 20px auto;
}

.ec-gallery {
    width: 100%;
    outline: none !important; 
    list-style: none;
}

.ec-gallery li {
    display: inline-block;
    list-style: none;
}

.ec-gallery-thumb img {
    width: 75px;
    border: 2px solid transparent;
}
.ec-gallery-thumb {
    outline: none !important;
}

.ec-gallery-thumb-active img {
    border: 2px solid black;
}

.ec-gallery {
    margin-top: 20px;
}

.ec-gallery-clear {
    clear: both;
}

#ec-gallery-main-area-container {
    margin-right: -250px;
    float:left;
    width:100%;
}

#ec-gallery-main-image-container, #ec-gallery-main-youtube-container {
    margin-right: 270px; /* 20px added for centre margin */
}

#ec-gallery-main-image {
    width: 100%;
}

#ec-gallery-selection-container {
    width:250px;
    float:left;
}

@media only screen and (max-width: 600px)  {
    #ec-gallery-main-image-container, #ec-gallery-main-youtube-container {
        margin-right:0px;
        margin-bottom:20px;
    }
    #ec-gallery-main-image {
        margin-right:0px;
        width:100%;
    }
    #ec-gallery-selection-container {
        width: 100%;
        clear:left;
    }
}

#ec-gallery-main-youtube-subcontainer {
    float: none;
    clear: both;
    width: 100%;
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 25px;
    height: 0;
}
#ec-gallery-main-youtube-subcontainer iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 98%;
    height: 100%;
}

.product-image a {
    outline: none !important; 
}