body {
    padding: 40px 0;
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

body::after{
    position: fixed;
    content: '';
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.6;
    top: 0;
    left: 0;
    z-index: -1;
}
label.condition {
    margin: 0;
    margin-left: 8px;
}