histoiredunpied/layouts/partials/intro.html

<div class="bg">
    <div class="container">
        <div class="grid -middle">
            <div class="cell -6of12 -center">
                <img src="{{ .Params.image }}" alt="Le livre" width="480" />
            </div>
            <div class="cell -6of12">
                {{ .Content }}
            </div>
        </div>
    </div>
</div>