html,body
{
    background: transparent;
}



body::before {
    background-image: url("../img/lock.jpg");
    background-size: cover;
    content: " ";
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: -1;
}

body::after {
    background-color: rgba(38, 50, 56, 0.85);
    content: " ";
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: -1;
}

.form-box {
    margin: 15% auto 0;
    width: 360px;
}