*,
*:after,
*::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.topnav{
	margin-left: 30px;
	font-family: 'Dosis';
	padding-top: 80px;
}
.topnav a {
	position: relative;
	display: inline-block;
	margin: 15px 25px;
	outline: none;
	color: #141414;
	text-decoration: none;
	letter-spacing: 1px;
	margin: 0 10px;
	padding: 5px 20px;
}

.topnav a::before {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background: #fff;
	content: '';
	-webkit-transition: top 0.3s;
	-moz-transition: top 0.3s;
	transition: top 0.3s;
}

.topnav a::after {
	position: absolute;
	top: 0;
	left: 0;
	width: 2px;
	height: 2px;
	background: #fff;
	content: '';
	-webkit-transition: height 0.3s;
	-moz-transition: height 0.3s;
	transition: height 0.3s;
}

.topnav a:hover::before {
	top: 100%;
	opacity: 1;
}

.topnav a:hover::after {
	height: 100%;
}