html.login body { 
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.7);
}
html.login {
    background: url('../img/login/laptop-2559978_1920.jpg') no-repeat center center fixed; 
}
html.login footer { text-align: center; color: #333; font-size: 12px; font-family: sans-serif; }