.blog_header {
    background: linear-gradient(#f4f7eb 90%, #ffff 10%);
    padding: 50px 0 150px;
    position: relative;
}
.section-title p {
    font-size: 24px;
    margin: 35px 0 0;
    color: #999;
}
.blog_content img:first-of-type {
    margin-top: -130px;
    z-index: 99;
    position: relative;
    width: 100%;
    margin-bottom:35px;
}
.blog_content {
    margin: auto;
    margin-bottom: 30px;
}
.blog_content p, .blog_content span {
    font-size: 20px;
    line-height: 1.7;
    color: #58595a;
    margin-bottom: 1rem;
}
.blog_content h2 span {
    font-size: 30px;
    font-weight: 700;
    color: #000;
    line-height: 1.4;
    margin-bottom:10px;
}
.blog_footer .go-back {
    margin-bottom: 80px;
}
.blog_content ul {
    list-style: disc;
    padding-left: 18px;
}
.iframe-container {
    position: relative;
    height: 507px;
    margin-top: -130px;
    margin-bottom: 30px;
}
.responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border: none;
}
@media (min-width: 1400px) {
    .blog-header-main, .blog_content, .blog_footer {
        max-width: 1200px;
        margin: auto;
    }
}

@media (max-width: 1199px) {
    .blog_content p, .blog_content span {
        font-size: 15px;
    }
}

@media (max-width: 991px){
    .blog_content h2 span {
        font-size: 24px;
    }
}
@media (max-width: 991px) {
    .blog_content h2 span {
        font-size: 20px;
    }
    .blog_content img:first-of-type {
        z-index: 0;
    }
}