.desc_seo {
    padding: 20px 0;
}
.desc_seo .seo_text {
    font-size: 1em;
    line-height: 1.4;
    border-radius: 16px;
    padding: 40px;
    background-color: #fafafa;
    color: #737373;
    max-height: 350px;
    overflow-y: auto;
    -webkit-mask-image: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 1)), to(rgba(0, 0, 0, 0.3)));
}
.desc_seo .seo_text strong {
    font-weight: 500;
}
.desc_seo .seo_text h2, .desc_seo .seo_text h3, .desc_seo .seo_text h4 {
    font-weight: 400;
}
@media screen and (max-width: 575px) {
    .desc_seo .seo_text {
        padding: 20px 16px;
    }
}