a.mail_contact_link{
    color: #e8e8e8;
    text-decoration: none;
    font-size: 2em;
    position: fixed;
    bottom: 100px;
    left: 100px;
    font-weight: 600;
    font-family: News Cycle;
    position: relative;
}
a.mail_contact_link:before{
	content: '';
	left: 0;
	bottom: -10px;
	height: 2px;
	width: 0px;
	background: #e8e8e8;
	transition: 0.3s width ease-in-out;
}
a.mail_contact_link:hover:before{
	width: 100%;
}