.left-right-blog-block-root {
    padding: 50px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0) 50%, rgba(242,240,241,1) 50%, rgba(242,240,241,1) 100%);
}

@media ( max-width: 900px ) {
    .left-right-blog-block-root {
        padding: 50px 0 0;
        background: #f2f0f1;
    }
}