header {
    background: linear-gradient(rgba(77, 77, 77, 0.8) 0%, rgba(77, 77, 77, 0.8) 100%), url("../../img/other/intro.jpg") no-repeat scroll center;
    background-size: cover;
}

header.game nav.navbar {
    background: linear-gradient(rgba(77, 77, 77, 0.8) 0%, rgba(77, 77, 77, 0.8) 100%), url("../../img/other/intro.jpg") no-repeat scroll center;
    background-size: cover;
}

section.parameters-section {
    background: linear-gradient(rgba(77, 130, 135, 0.8) 0%, rgba(77, 130, 135, 0.8) 100%), url("../../img/other/parametry-background.jpg") no-repeat scroll center;
    background-size: cover;
}

section.fair-play-section {
    background: linear-gradient(rgba(77, 130, 135, 0.8) 0%, rgba(77, 130, 135, 0.8) 100%), url("../../img/other/fair-play-background.jpg") no-repeat scroll center;
    background-size: cover;
}

.finish-block {
    background: linear-gradient(rgba(220, 255, 250, 0.9) 0%, rgba(220, 255, 250, 0.9) 100%), url("../../img/other/finish-background.jpg") no-repeat scroll center;
    background-size: cover;
}