Grid System.

<!-- Grid System Section -->
        <section class="section">
            <h2>Grid System</h2>
            <div class="grid-showcase">
                <div class="grid-row">
                    <div class="grid-col">1/4</div>
                    <div class="grid-col">1/4</div>
                    <div class="grid-col">1/4</div>
                    <div class="grid-col">1/4</div>
                </div>
                <div class="grid-row">
                    <div class="grid-col">1/3</div>
                    <div class="grid-col">1/3</div>
                    <div class="grid-col">1/3</div>
                </div>
                <div class="grid-row">
                    <div class="grid-col">1/2</div>
                    <div class="grid-col">1/2</div>
                </div>
                <div class="grid-row">
                    <div class="grid-col">Full Width</div>
                </div>
            </div>
        </section>