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

nav a {
	position: relative;
	display: inline-block;
	outline: none;
	text-transform: uppercase;
	color: #333;
	text-decoration: none;
	-webkit-transition: color 0.25s, opacity 0.50s; 
-moz-transition: color 0.25s, opacity 0.50s; 
-o-transition: color 0.25s, opacity 0.50s;
 transition: color 0.25s, opacity 0.50s;
}

nav a:hover,
nav a:focus {
	outline: none;
}


/* Effect 12: circle */
.cl-effect-12 a::before,
.cl-effect-12 a::after {
	position: absolute;
    z-index:100000;
	top: 50%;
	left: 50%;
	width: 70px;
	height: 70px;
	border: 2px solid rgba(0,0,0,0.1);
	border-radius: 50%;
	content: '';
	opacity: 0;
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
	-moz-transition: -moz-transform 0.3s, opacity 0.3s;
	transition: transform 0.3s, opacity 0.3s;
	-webkit-transform: translateX(-50%) translateY(-50%) scale(0.2);
	-moz-transform: translateX(-50%) translateY(-50%) scale(0.2);
	transform: translateX(-50%) translateY(-50%) scale(0.2);
}

.cl-effect-12 a::after {
	width: 60px;
	height: 60px;
	border-width: 6px;
	-webkit-transform: translateX(-50%) translateY(-50%) scale(0.8);
	-moz-transform: translateX(-50%) translateY(-50%) scale(0.8);
	transform: translateX(-50%) translateY(-50%) scale(0.8);
}

.cl-effect-12 a:hover::before,
.cl-effect-12 a:hover::after,
.cl-effect-12 a:focus::before,
.cl-effect-12 a:focus::after {
	opacity: 1;
	-webkit-transform: translateX(-50%) translateY(-50%) scale(1);
	-moz-transform: translateX(-50%) translateY(-50%) scale(1);
	transform: translateX(-50%) translateY(-50%) scale(1);
}


/*17*/
.cl-effect-17 a::before,
.cl-effect-17 a::after {
	position: absolute;
	top: 38%;
	left: 50%;
	width:70px;
	height: 70px;
	border: none;
	border-radius: 0%;
	content: '';
	opacity: 0;
	-webkit-transition: none;
	-moz-transition: none;
	transition: none;
	-webkit-transform: none;
	-moz-transform: none;
	transform: none);
}

.cl-effect-17 a::after {
	width: 60px;
	height: 60px;
	border-width: 6px;
	-webkit-transform: none;
	-moz-transform: none;
	transform:none;
}

.cl-effect-17 a:hover::before,
.cl-effect-17 a:hover::after,
.cl-effect-17 a:focus::before,
.cl-effect-17 a:focus::after {
	opacity: 1;
	-webkit-transform: none;
	-moz-transform:none;
	transform: none;
}