+///
+/// Massively by HTML5 UP
+/// html5up.net | @ajlkn
+/// Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
+///
+
+/* Wrapper */
+
+ #wrapper {
+ @include vendor('transition', 'opacity #{_duration(menu)} ease');
+ position: relative;
+ z-index: 1;
+ overflow: hidden;
+
+ > .bg {
+ position: absolute;
+ top: 0;
+ left: 0;
+ width: 100%;
+ height: 100%;
+ background-color: _palette(wrapper-bg);
+ background-image: url('../../images/overlay.png'), linear-gradient(0deg, rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('../../images/bg.jpg');
+ background-size: auto, auto, 100% auto;
+ background-position: center, center, top center;
+ background-repeat: repeat, no-repeat, no-repeat;
+ background-attachment: scroll, scroll, scroll;
+ z-index: -1;
+
+ &.fixed {
+ position: fixed;
+ width: 100vw;
+ height: 100vh;
+ }
+ }
+
+ &.fade-in {
+ &:before {
+ @include vendor('pointer-events', 'none');
+ @include vendor('transition', 'opacity 1s ease-in-out');
+ @include vendor('transition-delay', '0.75s');
+ background: _palette(invert, bg);
+ content: '';
+ display: block;
+ height: 100%;
+ left: 0;
+ opacity: 0;
+ position: fixed;
+ top: 0;
+ width: 100%;
+ }
+
+ body.is-preload & {
+ &:before {
+ opacity: 1;
+ }
+ }
+ }
+
+ @include orientation(portrait) {
+ > .bg {
+ background-size: auto, auto, auto 175%;
+ }
+ }
+ }