.small-first-screen {
    position: relative;
    background: #000;
    padding-top: calc(140px + (160 - 140)*((100vw - 390px) / (1920 - 390)));
    padding-bottom: calc(50px + (80 - 50)*((100vw - 390px) / (1920 - 390)));
}

.small-first-screen__heading {
    color: #FFFFFF;
    position: relative;
    z-index: 2;
}

.small-first-screen__decor {
    position: absolute;
    width: calc(150px + (355 - 150)*((100vw - 390px) / (1920 - 390)));
}

.small-first-screen__decor-1 {
    bottom: 0;
    right: calc(0px + (63 - 0)*((100vw - 390px) / (1920 - 390)));
}

.small-first-screen__decor-2{
    top: 0;
    right: calc(100px + (429 - 100)*((100vw - 390px) / (1920 - 390)));
}

@media screen and (min-width: 1920px) {
    .small-first-screen {
        padding-top: 160px;
        padding-bottom: 80px;
    }

    .small-first-screen__decor {
        width: 355px;
    }

    .small-first-screen__decor-1 {
        right: 63px;
    }

    .small-first-screen__decor-2{
        right: 429px;
    }
}

@media screen and (max-width: 389.98px) {
    .small-first-screen {
        padding-top: 140px;
        padding-bottom: 50px;
    }

    .small-first-screen__decor {
        width: 150px;
    }

    .small-first-screen__decor-1 {
        right: 0;
    }

    .small-first-screen__decor-2{
        right: 100px;
    }
}