.mainBanner {
    background-image: url("../imgs/mainpage/mainBanner/mainBanner_background.png");
    background-size: cover;
    height: 100%;
}

.mainBanner__wrapper {
    background: rgba(0, 0, 0, 0.75);
    width: 100%;
    height: 100%;
}
.mainBanner__wrapper > div::after {
    content: "";
    position: absolute;
    z-index: 5;
    top: 495px;
    left: 0;
    width: 321px;
    height: 370px;
    background-image: url("../imgs/mainpage/mainBanner/mainBanner_add_coin.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: left bottom;
}

.mainBanner_content {
    padding-top: 15vh;
    padding-bottom: 18vh;
}

.mainBanner_quantex_desc {
    margin-top: 20px;
    font-size: 21px;
}

.mainBanner__btn_container {
    display: flex;
    flex-direction: row;

    margin-top: 35px;
    margin-bottom: 35px;
}

.mainBanner__btn_container a.first {
    margin-right: 20px;
}
.mainBanner__btn_container a {
    padding: 2px 15px;
    max-height: 50px;
}

.mainBanner__btn_first_block_wrapper {
    display: flex;
}

.mainBanner__additional_text {
    font-size: 30px;
}

.mainBanner_img_wrapper img {
    max-width: 100%;
}

@media (max-width: 1399px) {
    .mainBanner__wrapper > div::after {
        display: none;
    }
}

@media (max-width: 1199px) {
    .mainBanner__quantex_header {
        font-size: 76px;
    }

    .mainBanner__btn_first_block_wrapper {
        flex-direction: column;
    }
}

@media (max-width: 991px) {
    .mainBanner_content {
        padding-bottom: 0;
    }

    .mainBanner__text_container {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .mainBanner_img_wrapper {
        display: flex;
        justify-content: center;
    }
    .mainBanner__additional_text {
        font-size: 21px;
    }

}
@media (max-width: 767px) {
    .mainBanner__btn_container a.first {
        margin-right: 15px;
    }
}

@media (max-width: 575px) {
    .mainBanner__quantex_header {
        font-size: 40px;
    }

    .mainBanner__additional_text,
    .mainBanner_quantex_desc {
        font-size: 16px;
    }

    .mainBanner__btn_container {
        flex-direction: column;
    }

    .mainBanner__btn_container a {
        box-sizing: border-box;
        margin: 10px 0 !important;
    }
}

@media (max-width: 440px) {

}