.sliding-middle-out {
	display: inline-block;
	position: relative;
	padding-bottom: 0px;
}
.sliding-middle-out:after {
	content: '';
	display: block;
	margin: auto;
	height: 2px;
	width: 0px;
	background: transparent;
	transition: width .4s ease, background-color .4s ease;
}
.sliding-middle-out:hover:after {
	width: 100%;
	background: #ffffff;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
    display: block;
}