.main-screen-section {
    background-image: linear-gradient(
        180deg,
        hsl(0deg 97% 28%) 0%,
        hsl(0deg 64% 43%) 9%,
        hsl(0deg 64% 52%) 16%,
        hsl(0deg 84% 60%) 24%,
        hsl(0deg 100% 71%) 32%,
        hsl(0deg 100% 82%) 40%,
        hsl(0deg 100% 91%) 48%,
        hsl(0deg 100% 98%) 57%,
        hsl(0deg 0% 100%) 67%,
        hsl(0deg 0% 100%) 77%,
        hsl(0deg 0% 100%) 88%,
        hsl(0deg 0% 100%) 100%
      );
}
.order-form {
    background-color: #a10000;   
    }
.sert-types {
    background: rgb(0,110,37);
    background: linear-gradient(166deg, rgba(0,110,37,1) 0%, rgba(183,234,173,1) 83%, rgba(245,238,225,1) 98%);
}
.advantages__item__img {
    background-color: #F93333;
}
.select-options {
    background-color: #b40f0f;
}
.sert-types__item__img {
    max-width: 30rem;
}