.cd-product-viewer-wrapper {
    text-align: center;
}
.cd-product-viewer-wrapper > div {
    display: inline-block;
}
.cd-product-viewer-wrapper .product-viewer {
    position: relative;
    z-index: 1;
    display: inline-block;
    overflow: hidden;
}
.cd-product-viewer-wrapper img {
    display: block;
    position: relative;
    z-index: 1;
}
.cd-product-viewer-wrapper .product-sprite {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    height: 100%;
    width: 1500%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100%;
    opacity: 0;
    -webkit-transition: opacity 0.3s;
    -moz-transition: opacity 0.3s;
    transition: opacity 0.3s;
}
.cd-product-viewer-wrapper.loaded .product-sprite {
    /* image sprite has been loaded */
    opacity: 1;
    cursor: ew-resize;
}

.cd-product-viewer-handle {
    position: relative;
    z-index: 2;
    width: 60%;
    max-width: 300px;
    border-radius: 50em;
    margin: 1em auto 3em;
    height: 4px;
    background: #4d4d4d;
}
.cd-product-viewer-handle .fill {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    border-radius: inherit;
    background: #b54240;
    -webkit-transform: scaleX(0);
    -moz-transform: scaleX(0);
    -ms-transform: scaleX(0);
    -o-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -ms-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
    -webkit-transition: -webkit-transform 0.5s;
    -moz-transition: -moz-transform 0.5s;
    transition: transform 0.5s;
}