.nav_menu ul{
	padding: 0;
}
.nav_menu ul li{
	display:inline-block;
	margin-left:40px;
	list-style: none;
    font-size: x-large;
    /*color: #2ECC71;*/
    color: #2ECC71;
}

.nav_menu ul li a span{    
	width:38px;
	height:36px;
	padding: 50px 50px;
    padding-top: 100px;
	display: inline-block;	
	vertical-align: middle;
    text-decoration: none;
    /*color: #2ECC71;*/
    color: #2ECC71;
    cursor: pointer;
}

.nav_menu a:hover{
    text-decoration: none;
    color:#2ECC71;
}

.center {
    align-items: center;
  }



/*
.nav_menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

.nav_menu li {
    float: left;
}

.nav_menu li a {
    display: block;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.nav_menu li a:hover:not(.active) {
    background-color: #ccc;
    text-decoration: none;
}

.active {
    background-color: #2ECC71;
    text-decoration: none;
}
*/