.drop_down .sub_menu_div {
   
    border-top: 3px solid #1d1d25;
}


.contact_form_button input {
    padding: 15px 25px;
    background: #fff;
    color: #191919;
    border: 0;
    font-size: 18px;
    text-transform: uppercase;
}


#footer_bottom {
    background: #191919 none repeat scroll 0% 0%;
   
}


div.content_portfolio {
    position: absolute;
    bottom: -80px;
    height: 80px;
    background: #191919 none repeat scroll 0% 0%;
    width: 100%;
    color: #FFF;
    transition: bottom 0.6s cubic-bezier(0.19, 1, 0.22, 1) 0s;
    text-align: center;
}




nav.main_menu ul li a {
    color: #777;
    font-weight: 400;
    line-height: 87px;
    cursor: pointer;
}