scss-library/components/01_Layouts/fullWidthContent/fullWidthContent.hbs

<div clas="RV-FullWidthContent__Container">
    <div class="RV-FullWidthContent__Item">
        <img src="http://via.placeholder.com/780x600"/>
    </div>
    <div class="RV-FullWidthContent__Item">
        <img src="http://via.placeholder.com/360x280"/>
    </div>
    <div class="RV-FullWidthContent__Item"></div>
    <div class="RV-FullWidthContent__Item"></div>
    <div class="RV-FullWidthContent__Item"></div>
</div>