h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: -apple-system, "Quicksand", "Microsoft JhengHei", "Roboto", sans-serif;
}

body {
  font-family: -apple-system, "Quicksand", "Microsoft JhengHei", "Roboto", sans-serif;
}

button,
input,
optgroup,
select,
textarea {
  font-family: -apple-system, "Quicksand", "Microsoft JhengHei", "Roboto", sans-serif;
}
.isas-burger {
    position:fixed;
    z-index:9999;
    width:100%
}
.carousel-item {
  height: 100vh;
  min-height: 350px;
  background: no-repeat center center scroll;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}
.isas-overlay {
    background-color: rgba(0, 0, 0, 0.3);
}
.flip-card-front:after,
.flip-card-back:after {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	width: 100%;
	height: 100%;
	content: "";
	display: block;
	opacity: 0.2;
	background-color: #000;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	border-radius: 6px;
}
.nav-tree {
	position: relative;
	margin-bottom: 40px;
}

.nav-tree ul {
	margin-bottom: 0;
	list-style: none;
}

.nav-tree > ul { margin: -8px 0; }

.nav-tree li { position: relative; }

.nav-tree li a {
	display: block;
	padding: 8px 0;
	color: #333;
	text-transform: none;
	font-size: 1.1rem;
	font-weight: normal;
	letter-spacing: 1px;
	font-family: -apple-system, "Quicksand", "Microsoft JhengHei";
}

.nav-tree li i {
	font-size: 1.1rem;
	width: 16px;
	text-align: center;
}

.nav-tree li i:not(.icon-angle-down) {
	margin-right: 8px;
	position: relative;
	top: 1px;
}

.nav-tree li a i.icon-angle-down {
	width: auto;
	font-size: 1.1rem;
	margin-left: 2px;
}

.nav-tree li:hover > a,
.nav-tree li.current > a,
.nav-tree li.active > a { color: #1ABC9C !important; }

.nav-tree ul ul { display: none; }

.nav-tree li.current > ul { display: block; }

.nav-tree ul ul a {
	font-size: 1.1rem;
	padding: 6px 0;
	letter-spacing: 1px;
	font-family: -apple-system, "Quicksand", "Microsoft JhengHei";
}

.nav-tree ul ul a i.icon-angle-down { font-size: 12px; }

.nav-tree ul ul a { padding-left: 20px; }
.nav-tree ul ul ul a { padding-left: 40px; }
.nav-tree ul ul ul ul a { padding-left: 60px; }
.nav-tree ul ul ul ul ul a { padding-left: 80px; }

.text-responsive {
  font-size: calc(100% + 1.1vw + 1.1vh);
}