.first_screen {
    height: auto;
}

.preloader_block {
    min-height: 250vh;
    min-width: 250vw;
    width: 100%;
    height: 100%;
    background: linear-gradient(57.81deg, #97CA3E 4.52%, #FFFF22 95.47%);
    background-size: 200%;
    animation: preloaderGradient 9s ease infinite;
}

@keyframes preloaderGradient {
    0% {
        background-position: 0 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

main {
    overflow-x: hidden;
}

.contacts {
    overflow: hidden;
}

@media screen and (max-width: 1600px) and (min-width: 1200px) {
    .slide_calc {
        /*background-size: 100% 100%;*/
        /*height: 100%;*/
        /*width: 365px;*/
    }

    .slide_calc_item {
        background-size: 100% 100%;
        height: 100%;
        width: 365px;
    }

    .first_screen .slide_calc {
        margin-bottom: 45px;
        padding-bottom: 40px;
    }

    .calc_info {
        overflow-y: auto;
        max-height: 198px;
    }
}

@media screen and (max-width: 1536px) and (min-width: 769px) {
    .calc_info {
        overflow-y: auto;
        max-height: 173px;
    }
}

@media screen and (max-width: 1199px) {
    .slide_calc {
        background-size: 100% 100%;
    }
}

@media screen and (max-width: 1250px) {
    .footer_up__middle, .footer_up__right_text {
        display: none;
    }

    .footer_up {
        flex-direction: column;
    }

    .footer_up__left, .footer_up__right {
        width: 100%;
    }

    .footer_up__left {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 0 0 45px;
    }

    .footer_up__right {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer_up__payment {
        width: 50%;
    }

    .footer_socials {
        width: 20%;
        margin: 15px 0;
    }

    .footer_complaint {
        order: 1;
    }

    .footer_contacts {
        order: 2;
        margin: 15px 0;
    }

    .footer_socials {
        order: 3;
        margin: 0;
    }
}

@media screen and (max-width: 1366px) and (min-width: 1281px) {
/*    .firstScreenSlider:nth-child(2) .first_screen__text_imgs {*/
/*        margin-bottom: 40px;*/
/*    }*/

/*    .first_screen .slide_calc {*/
/*        width: 330px;*/
/*        padding-top: 60px;*/
/*        padding-bottom: 40px;*/
/*    }*/

        .first_screen .slide_calc_item {
            width: 330px;
            padding-top: 60px;
            padding-bottom: 40px;
        }
}