<div class="container">
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
        </div>

            .container {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                grid-template-rows: repeat(2, 1fr);
                grid-template-areas:
                    "left top top"
                    "left main hi";
            }
            .item {
                height: 100px;
                background-color: #f1e4e4;
                border: 1px solid #777777;
            }
            .item:first-child {
                grid-column-start: 2;
                grid-column-end: 4;
            }

External CSS

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External JavaScript

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