.about-banner {
    position: relative;
    width: 100%;
    height: 420px;
    background: url('your-banner-image.jpg') center/cover no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.about-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(25 39 84);
}

.about-banner-content {
    position: relative;
    text-align: center;
    color: #fff;
    z-index: 2;
}

.about-banner-content h1 {
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.single-post-sec {
    padding: 60px 0;
}

.post-header .post-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.post-meta span {
    margin-right: 15px;
    font-size: 14px;
    color: #777;
}

.post-thumbnail img {
    max-width: 100%;
    height: auto;
}

.post-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.post-tags {
    font-size: 14px;
    color: #555;
}

.post-navigation a {
    font-weight: 500;
    color: #007bff;
    text-decoration: none;
}

.post-navigation a:hover {
    text-decoration: underline;
}

.related-posts h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.blog-box .blog-text h5 {
    font-size: 16px;
    margin-bottom: 8px;
}

.blog-box .blog-text p {
    font-size: 14px;
    color: #555;
}

@media (max-width: 768px) {
    .post-header .post-title {
        font-size: 28px;
    }

    .post-navigation {
        flex-direction: column;
    }

    .post-navigation .prev-post,
    .post-navigation .next-post {
        margin-bottom: 10px;
        text-align: center;
    }
}



.post-header.mb-4 h1.post-title {
    color: black;
}