@media screen and (min-width: 780px) {

	.hide-mobile {
		display: block;
	}

	.wrapper {
		padding: 0 2.5%;
	}
	
	ul,
	ol {
		padding-left: 2.5rem; /*40px*/
	}
	
	hr.extra-space {
		margin: 2.5rem 0; /*40px 0*/
	}
	
	.img-left {
		float: left;
		max-width: 50%;
		margin: 0 1.25rem .625rem 0; /*0 20px 10px 0*/
	}
	.img-right {
		float: right;
		max-width: 50%;
		margin: 0 0 .625rem 1.25rem; /*0 0 10px 20px*/
	}

	.content-area {
		padding: 2.5rem 0; /*40px 0*/
	}
	
	.content {
		float: left;	
		width: 65.83333333333333%;
	}
	.sidebar {
		float: right;	
		width: 31.66666666666667%;
		margin-top: 0;
	}
	.content.full-width {
		float: none;
		width: auto;
	}

	.btn,
	input[type="submit"] {
		display: inline-block;
		width: auto;
	}
	.btn + .btn {
		margin-top: 0;
		margin-left: 2%;
		margin-right: -.25rem; /*-4px*/ /*to compensate for the white space from inline-block*/
	}
	
	ul.column-row > li,
	.columns > div {
		float: left;
	}
	ul.column-row > li + li,
	.columns > div + div {
		margin-top: 0;
		margin-left: 2.5%;
	}
	.column-row {
		display: flex;
		flex-flow: row wrap;
		align-items: stretch;
		margin: 1.875rem -.9375rem;
	}
	.card {
		padding: 2.5rem;
	}
	.card {
		max-width: 43.75rem;
		margin: 0 auto;
		padding: 1.25rem;
		background: #fff;
		box-shadow: 0 1px 3px 0 rgb(0 0 0 / 25%);
	}
	ul.column-row, .column-row {
		display: flex;
		flex-flow: row wrap;
		align-items: stretch;
		margin: 1.875rem -.9375rem;
	}

	ul.column-row > li + li, .column-row > div + div {
		margin-top: 0;
	}

	ul.column-row > li, .column-row > div {
		flex-grow: 0;
		flex-shrink: 0;
		margin: 0 .9375rem;
	}
	ul.column-row > li, .column-row > div {
		flex-grow: 0;
		flex-shrink: 0;
		margin: 0 .9375rem;
	}
	ul.column-row > li.one-fourth, .column-row > div.one-fourth {
		width: calc(25% - 1.875rem);
	}

	ul.column-row > li.three-fourths, .column-row > div.three-fourths {
		width: calc(75% - 1.875rem);
	}

	ul.column-row > li.one-half, .column-row > div.one-half {
		width: calc(50% - 1.875rem);
	}

	ul.column-row > li.one-third, .column-row > div.one-third {
		width: calc(33.3% - 1.875rem);
	}

	ul.column-row > li.two-thirds, .column-row > div.two-thirds {
		width: calc(66.6% - 1.875rem);
	}
	.columns.two-columns > div {
		width: 48.75%;
	}
	.columns.three-columns > div {
		width: 31.66666666666667%;
	}
	.columns.four-columns > div {
		width: 23.125%;
	}
	.columns.five-columns > div {
		width: 18%;
	}
	.columns.six-columns > div {
		width: 14.58333333333333%;
	}
	
	ul.column-row > li.one-half { width: 48.75%; }
	ul.column-row > li.one-third { width: 31.66666666666667%; }
	ul.column-row > li.two-thirds { width: 65.83333333333334%; }
	ul.column-row > li.one-fourth { width: 23.125%; }
	ul.column-row > li.three-fourths { width: 74.375%; }
	
	/* make space between columns wider on Standards page */
	.page-5766 .columns.two-columns > div {
		width: 47.5%;
	}
	.page-5766 .columns.two-columns > div + div {
		margin-left: 5%;
	}

	table.responsive-table {
		display: table;
		border: none;
	}
	table.responsive-table thead {
		display: table-header-group;
		background-color: #6d6e72;
	}
	table.responsive-table tr {
		display: table-row;
		border-color: #eee;
	}
	table.responsive-table tr:after {
		display: none;
	}
	table.responsive-table th,
	table.responsive-table td {
		display: table-cell;
		vertical-align: middle;
		float: none;
		clear: none;
		text-align: center;
		border-bottom: none;
	}
	table.responsive-table td:before {
		display: none;
	}
	table.responsive-table th.right,
	table.responsive-table td.right {
		text-align: right;
	}
	table.responsive-table th.left,
	table.responsive-table td.left {
		text-align: left;
	}
	table.responsive-table th.hide-mobile,
	table.responsive-table td.hide-mobile {
		display: table-cell; 
	}
	
	table.responsive-table.full-borders tbody tr:last-child {
		border-bottom: .125rem solid #eee; /*2px*/
	}
	table.responsive-table.full-borders tbody td {
		border-left: .125rem solid #eee; /*2px*/
	}
	table.responsive-table.full-borders tbody tr td:last-child {
		border-right: .125rem solid #eee; /*2px*/
	}
	
	table.small-table th, 
	table.small-table td {
		padding: 0.3125rem; /*5px*/
		font-size: .875em; /*14/16px*/
		line-height: 1.2857142857142856em; /*18/14px*/
	}
	
	input[type="text"],
	input[type="password"],
	input[type="email"],
	input[type="tel"],
	input[type="date"],
	textarea,
	select {
		width: auto;
	}
	
	.form-row > div input[type="text"],
	.form-row > div input[type="password"],
	.form-row > div input[type="email"],
	.form-row > div input[type="tel"],
	.form-row > div input[type="date"],
	.form-row > div textarea,
	.form-row > div select {
		width: 100%;
	}
	.form-row > .one-half,
	.form-row > .one-third,
	.form-row > .two-thirds,
	.form-row > .one-fourth,
	.form-row > .three-fourths {
		float: left;
		margin-top: 0;
		margin-left: 2%;
	}
	.form-row > .one-half { width: 49%; }
	.form-row > .one-third { width: 32%; }
	.form-row > .two-thirds { width: 66%; }
	.form-row > .one-fourth { width: 23.5%; }
	.form-row > .three-fourths { width: 74.5%; }	
	
	.form-row.inline > * {
		display: inline-block;
		vertical-align: middle;
		margin-top: 0;
		margin-left: 2%;
		margin-right: -.25rem; /*-4px*/ /*to compensate for the white space from inline-block*/
	}
	.form-row.inline > label + *,
	.form-row.inline > .label + * {
		margin-top: 0;
	}
	
	.form-row > *:first-child,
	.form-row.inline > *:first-child {
		margin-left: 0; 
	}
	
	.pagination {
		text-align: right;
	}
	
	.checkbox-radio-list td { display: table-cell; }
	.checkbox-radio-list.two-columns td { width: 50%; }
	.checkbox-radio-list.three-columns td { width: 33.33%; }
	.checkbox-radio-list.four-columns td { width: 25%; }
	.checkbox-radio-list.five-columns td { width: 20%; }
	.checkbox-radio-list.six-columns td { width: 16.66%; }
	
	.popup-content {
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		max-width: 37.5rem; /*600px*/
		margin: 0;
	}
	.popup-content.large { /*created for Return Policy, but might be needed elsewhere later*/
		top: 0;
		left: 50%;
		transform: translate(-50%, 0);
		max-width: 90%;
		margin: 5% 0;
	}
	
	.page-home .banner #open-video-popup {
		bottom: auto;
		top: 50%;
		font-size: 7.5rem; /*120px*/
	}
	.page-home .banner .slides li {
		/*height: 600px;*/
		height: 500px;
	}
	.page-home .banner .caption {
	}
	.page-home .banner .caption h2 { 
		/*change size to match h1*/
		font-size: 2.75em; /*44/16px*/
		line-height: 1.1363636363636365em; /*50/44px*/
	}
	
	.page-home .featured-promos {
		padding: 1.875rem 0; /*30px 0*/
	}
	.page-home .featured-promos .wrapper {
		display: -webkit-flex;
		display: flex;
		-webkit-flex-direction: row;
		flex-direction: row;
	}
	.page-home .featured-promos .wrapper div {
		width: 48.75%;
	}
	.page-home .featured-promos .wrapper div + div {
		margin-top: 0;
		margin-left: 2.5%;
	}
	
	.vertical-center-row  {
		display: table;
		margin: 1.25rem 0; /*20px 0*/
	}
	.vertical-center-row > div,
	.vertical-center-row > div {
		display: table-cell;
		vertical-align: middle;
		padding: 0 2.5%;
	}
	.vertical-center-row > div {
		text-align: right;
	}
	.vertical-center-row > div + div {
		text-align: left;
	}
	.vertical-center-row.image-first > div,
	.vertical-center-row.image-second > div + div {
		width: 30%;
	}
	.vertical-center-row.image-first > div + div,
	.vertical-center-row.image-second > div {
		width: 70%;
	}
	.vertical-center-row > div img {
		margin: 0 auto;
	}
	
	ul.tabs-nav {
		border-left: 0 none;
		border-bottom: .1875rem solid #00afab; /*3px*/
	}
	ul.tabs-nav li {
		float: left;
	}
	ul.tabs-nav li + li {
		margin-top: 0;
		margin-left: 0.3125rem; /*5px*/
	}
	ul.tabs-nav li a {
		padding: 0.5rem 1.25rem; /*8px 20px*/
		border-radius: .5rem .5rem 0 0; /*8px 8px 0 0*/
	}
	

	
	footer hr {
		margin-bottom: 2.5rem; /*40px*/
	}
	footer nav ul li {
		display: inline;
		margin-left: 1.25rem; /*20px*/
	}
	footer .contact-info li:first-child {
		margin-left: 0;
	}
	footer small {
		margin-bottom: 2.5rem; /*40px*/
	}
	
}

@media screen and (min-width: 1000px) {
	
	.sticky-checkout-btn {
		bottom: auto;
	}
	
	.mobile-nav-bar {
		display: none; 		
	}

	.sticky-header {
		position: sticky;
		top: 0;
		z-index: 99;
	}
	
	header .row-1 {
		padding: 1.25rem 0; /*20px 0*/
	}
	header .row-1 .logo {
		margin: 0;
	}
	
	/* all header row-1 nav items */
	
	header .row-1 nav {
		display: block;
		position: unset;
		top: unset;
		right: unset;
		margin-top: .375rem; /*6px*/
	}
	header .row-1 nav .main-nav,
	header .row-1 nav .social-icons {
		display: block;
	}
	header .row-1 nav ul,
	header .row-1 nav ul li {
		margin: 0;
		padding: 0;
		list-style: none;
	}
	header .row-1 nav ul li {
		float: left;
	}
	header .row-1 nav ul li a {
		display: block;
		color: #fff;
		text-decoration: none;
	}
	header .row-1 nav ul li a:hover {
		color: #fff;
		text-decoration: none;
	}
	
	/* only the main header nav items */
	
	header .row-1 nav ul.main-nav {
		float: left;
		margin: .25rem 0 -.25rem 0; /*4px 0 -4px 0*/
	}
	header .row-1 nav ul.main-nav li {
		margin-left: 1.25rem; /*20px*/
	}
	header .row-1 nav ul.main-nav li:nth-child(2) {
		/* changed from first-child because they added the mobile-nav-only "Home" nav item */
		margin-left: 0;
	}
	header .row-1 nav ul.main-nav li a {
		display: block;
		height: 1.5rem; /*24px*/
		font-size: 1.125rem; /*18px*/
		line-height: 1.5rem; /*24px*/
		border-bottom: .125rem solid transparent; /*2px*/
	}
	header .row-1 nav ul.main-nav li a:hover,
	header .row-1 nav ul.main-nav li.selected a,
	header .row-1 nav ul.main-nav li.opened a {
		border-bottom-color: #fff;
	}
	
	header .row-1 nav ul.main-nav li.nav_RegisteraTestKit a {
		/*color: #00b2a9;*/
		font-weight: bold;
	}
	/*header .row-1 nav ul.main-nav li.nav_RegisteraTestKit a:hover,
	header .row-1 nav ul.main-nav li.nav_RegisteraTestKit.selected a,
	header .row-1 nav ul.main-nav li.nav_RegisteraTestKit.opened a {
		border-bottom-color: #00b2a9;
	}*/
	
	/* they want a "Home" link in nav, but only in the mobile nav, so hide "Home" nav item above mobile size */
	
	header .row-1 nav ul.main-nav li.nav_Home {
		display: none;
	}
	
	/* only the social header nav items */
	
	header .row-1 nav ul.social-icons {
		float: right;
	}
	header .row-1 nav ul.social-icons li {
		margin-left: 1.25rem; /*20px*/
	}
	header .row-1 nav ul.social-icons li a {
		display: block;
		height: 1.5rem; /*24px*/
		font-size: 1.5rem; /*24px*/
		line-height: 1em;
	}
	
	/* header row 2 - login/account nav */
	
	/*header .row-2.logged-out {
		text-align: left;
	}
	header .row-2.logged-out a:first-child {
		margin-left: 0;
	}*/
	header .row-2.logged-out {
		position: absolute;
		top: 1.25rem;
		left: 50%;
		transform: translateX(-50%);
		width: 100%;
		max-width: 1200px;
		padding: 0;
		margin: 0;
		text-align: right;
		background: none;
		pointer-events: none;
	}
	header .row-2.logged-out a {
		pointer-events: auto;
	}
	
	header .row-2.logged-in .mobile-acct-nav-toggle { 
		display: none; 
	}
	header .row-2.logged-in nav {
		display: inline;
		clear: none;
		flex: 1 1 auto;
	}
	header .row-2.logged-in nav ul,
	header .row-2.logged-in nav ul li {
		display: inline;
	}
	header .row-2.logged-in nav ul li {
		margin-top: 0;
		margin-left: .625rem; /*10px*/
		padding-top: 0;
		border-top: none;
	}
	
	.nav-cart {
		margin: -.1875rem 0 -.1875rem 1.25rem; /*-3px 0 -3px 20px*/
	}
	.cart-dropdown {
		top: calc(100% + 1.125rem);
		left: -1.25rem;
	}

@media screen and (min-width: 1200px) {
	
	.sticky-checkout-btn {
		bottom: auto;
	}

	.wrapper {
		padding: 0;
	}
	
	header .row-1 {
		/*padding: 1.875rem 0;*/ /*30px 0*/
	}
	header .row-1 .logo {
		float: left;
		width: 162px;
		height: 80px;
	}
	header .row-1 nav {
		display: block;
		margin-top: 3.5rem; /*56px*/
	}
	header .row-1 nav ul.main-nav li,
	header .row-1 nav ul.main-nav li:nth-child(2) {
		/* changed from first-child because they added the mobile-nav-only "Home" nav item */
		margin-left: 1.875rem; /*30px*/
	}
	header .row-2.logged-in nav ul li {
		margin-left: 1.25rem; /*20px*/
	}
	
	.page-home .banner .caption br {
		display: block;
	}
	
	.nav-cart {
		margin-left: 1.875rem; /*30px*/
	}

}