.social {
    position: fixed;
    left: -39px;
    top: 110px;
    z-index: 2000;
}

    .social ul {
        list-style: none;
    }

        .social ul li a {
            display: inline-block;
            color: #fff;
            background: #000;
            padding: 10px 15px;
            text-decoration: none;
            -webkit-transition: all 500ms ease;
            -o-transition: all 500ms ease;
            transition: all 500ms ease;
        }

        .social ul li .icon-facebook {
            background: #3b5998;
        }

        .social ul li .icon-instagram {
            background: #ae181f;
        }

        .social ul li .icon-linkedin {
            background: #0e76a8;
        }

        .social ul li .icon-calculadora {
            background: #ff6a00;
        }


        .social ul li a:hover {
            background: #8fb04d;
            padding: 10px 30px;
        }