JSFiddle - React, Tailwind, and code Playground

HTML

<div class="left-bg-container">
    <div class="right-bg-container">
        <div class="main">
            <h2>Фон никуда не денется</h2>
            <p>что бы ни происходило.</p>
            <p>Инфа 100%!</p>
        </div>
    </div>
</div>

CSS

.left-bg-container {
    background: url(http://www.bittbox.com/~caleb/free_high_res_texture_272.jpg) 0 0 repeat-y;
    min-width: 300px;
}

.right-bg-container {
    padding: 0 3%;
    background: url(http://us.123rf.com/400wm/400/400/poco_bw/poco_bw0707/poco_bw070700003/1172723-furry-of-fire-texture-backgrounds-design-elements-series.jpg) 100% 0 repeat-y;
}

.main {
    background: #fff;
    padding 1em;
}