.active-page-nav
{
    color: white !important;
    background-color: #0e407a;
}

.box 
{
    height:200px;
    position:relative;    
    background: linear-gradient(to right, #0C447D, #7A99B8)
}

.box:before,
.box:after
{
    content:"";
    position:absolute;
    left:0;
    right:0;
    height:calc(100% - var(--b,10px)); /*control the gap here*/
    -webkit-mask:
        radial-gradient(var(--r1,100%) var(--r2,80%) at var(--p1,top)   ,003B77 79.5%,transparent 80%) var(--d1,right),
        radial-gradient(var(--r1,100%) var(--r2,80%) at var(--p2,bottom),transparent 79.5%,8BA6C1 80%) var(--d2,left);
    mask:
        radial-gradient(var(--r1,100%) var(--r2,80%) at var(--p1,top)   ,white 79.5%,transparent 80%) var(--d1,right),
        radial-gradient(var(--r1,100%) var(--r2,80%) at var(--p2,bottom),transparent 79.5%,white 80%) var(--d2,left);
        -webkit-mask-size:50.1% 100%;
        -webkit-mask-repeat:no-repeat;
        mask-size:50.1% 100%;
        mask-repeat:no-repeat;
}

.box:before 
{
    top:0;
    background:linear-gradient(to bottom right, #E3F2F9, #E3F2F9);
}

.box:after
{
    bottom:0;    
    background: linear-gradient(to bottom right, #ffffff, #ffffff);
    --p1:bottom;
    --p2:top;
    --d1:left;
    --d2:right;
}

header, section, footer {
	width:100%;
	margin:0;
	padding:0;
	overflow-x:hidden;
}

footer {
	margin:4px 0 0 0;
	padding:0;
	background: #1e8cff;
	border-top:4px solid black;
	box-shadow:0 -2px 0 white,
			   0 -4px 0 black;
    color: #ffffffb0;
    line-height: 1.5em; 
}

footer img
{
    margin: 10px;
}

#copyright 
{
	padding:0.5em;
	clear:both;
	background: #043D7A;
	color: #ffffffb0;
	font-family:'Open Sans';
    text-align: center;
    font-size: 0.8em;
    margin-top: 20px;
}




/* Product Catalog */

ul.product-catalog-list
{
    min-height: 350px;
}

ul.product-catalog-list li {
    display: inline-block;
    width: 22%;
    padding: 10px;
    text-align: center;
    font-size: 1.5vw;
    margin-bottom: 50px;
    vertical-align: top;
}


ul.product-catalog-list li img {
    display: block;
}


/* media */
@media (max-width: 960px) 
{
    /* Product Catalog */
    ul.product-catalog-list li {
        display: inline-block;
        width: 45%;
        padding: 10px;
        text-align: center;
        font-size: 1.5em;
        margin-bottom: 50px;
    }

    /* Footer */
    footer img
    {
        margin: 5px;
        width: 30%;
    }

}






span.product-section-header {
    width: 100%;
    display: block;
    padding: 2.5px;
    margin: 5px;
    text-align: center;
    background-color: #e0efff;
    color: black;
    font-weight: bold;
}


.product-gallery{
    width:100%;
  }
  .image-viewer{
    width:100%;
    box-sizing:border-box;
    display:flex;
    justify-content:center;
    align-items:center;
  }
  .image-viewer img{
    max-width:100%;
  }
  .image-thumb{
    width:100%;
    justify-content:space-between;
  }
  .image-thumb img{
    height:100px;
    border:1px solid grey;
    padding:5px;
    opacity:0.6;
  }
  .active{
    opacity:1!important;
    border:1px solid red!important;
  }