*,
*:after,
*::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.main-nav-menu a.main-nav-link {
	position: relative;
	display: inline-block;
	margin: 5px 25px;
	outline: none;
	text-decoration: none;
	text-shadow: 0 0 1px rgba(255,255,255,0.3);
}

.main-nav-menu a.main-nav-link:hover,
.main-nav-menu a.main-nav-link:focus {
	outline: none;
}




/* Effect 21: borders slight translate */
.main-nav-menu-effect li a.main-nav-link {
	padding: 10px;
	color: #237546;
	font-weight: 700;
	text-shadow: none;
	-webkit-transition: color 0.3s;
	-moz-transition: color 0.3s;
	transition: color 0.3s;
}

.main-nav-menu-effect li a.main-nav-link::before,
.main-nav-menu-effect li a.main-nav-link::after {
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background: #fff;
	content: '';
	opacity: 0;
	-webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
	-moz-transition: opacity 0.3s, -moz-transform 0.3s;
	transition: opacity 0.3s, transform 0.3s;
	-webkit-transform: translateY(-15px);
	-moz-transform: translateY(-15px);
	transform: translateY(-15px);
}

.main-nav-menu-effect li a.main-nav-link::before {
	top: 0;
	-webkit-transform: translateY(-15px);
	-moz-transform: translateY(-15px);
	transform: translateY(-15px);
}

.main-nav-menu-effect li a.main-nav-link::after {
	bottom: 0;
	-webkit-transform: translateY(15px);
	-moz-transform: translateY(15px);
	transform: translateY(15px);
}

.main-nav-menu-effect li a.main-nav-link:hover,
.main-nav-menu-effect li a.main-nav-link:focus {
	color: #fff;
}

.main-nav-menu-effect li a.main-nav-link:hover::before,
.main-nav-menu-effect li a.main-nav-link:focus::before,
.main-nav-menu-effect li a.main-nav-link:hover::after,
.main-nav-menu-effect li a.main-nav-link:focus::after {
	opacity: 1;
	-webkit-transform: translateY(0px);
	-moz-transform: translateY(0px);
	transform: translateY(0px);
}