.bg-dark-gradien {
    background: -moz-linear-gradient(top, rgb(47, 60, 78) 0%, rgb(153, 153, 153) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgb(47, 60, 78)), color-stop(100%,rgb(153, 153, 153)));
    background: -webkit-linear-gradient(top, rgb(47, 60, 78) 0%,rgb(153, 153, 153) 100%);
    background: -o-linear-gradient(top, rgb(47, 60, 78) 0%,rgb(153, 153, 153) 100%);
    background: -ms-linear-gradient(top, rgb(47, 60, 78) 0%,rgb(153, 153, 153) 100%);
    background: linear-gradient(to bottom, rgb(47, 60, 78) 0%,rgb(153, 153, 153) 100%);
    border: none;
    color: #fff;
    background-size: auto 200%;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}