You are viewing version 6.0.0 of the library, the latest version is
<div class="tabs-wrapper" lang="zxx">

    <!-- Tab List -->
    <div class="nav classic-tabs" role="tablist" aria-label="Example Label">
        <div class="nav-item">
            <button class="nav-link active" role="tab" aria-selected="true" aria-controls="example-1-tab" id="example-1">
                Tab 1
            </button>
        </div>
        <div class="nav-item">
            <button class="nav-link" role="tab" aria-selected="false" aria-controls="example-2-tab" id="example-2" tabindex="-1">
                Tab 2
            </button>
        </div>
        <div class="nav-item">
            <button class="nav-link" role="tab" aria-selected="false" aria-controls="example-3-tab" id="example-3" tabindex="-1">
                Tab 3
            </button>
        </div>
        <div class="nav-item">
            <button class="nav-link" role="tab" aria-selected="false" aria-controls="example-4-tab" id="example-4" tabindex="-1">
                Tab 4
            </button>
        </div>
    </div>

    <!-- Tab Content -->
    <div class="tab-content" tabindex="0" role="tabpanel" id="example-1-tab" aria-labelledby="example-1">
        <p>Example 1 content: Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nihil odit magnam minima, soluta
            doloribus reiciendis molestiae placeat unde eos molestias. Quisquam aperiam, pariatur. Tempora, placeat
            ratione porro voluptate odit minima.</p>
    </div>
    <div class="tab-content" tabindex="0" role="tabpanel" id="example-2-tab" aria-labelledby="example-2" hidden="">
        <p>Example 2 content: Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nihil odit magnam minima, soluta
            doloribus reiciendis molestiae placeat unde eos molestias. Quisquam aperiam, pariatur. Tempora, placeat
            ratione porro voluptate odit minima.</p>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nihil odit magnam minima, soluta doloribus
            reiciendis molestiae placeat unde eos molestias. Quisquam aperiam, pariatur. Tempora, placeat ratione porro
            voluptate odit minima.</p>
    </div>
    <div class="tab-content" tabindex="0" role="tabpanel" id="example-3-tab" aria-labelledby="example-3" hidden="">
        <p>Example 3 content: Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nihil odit magnam minima, soluta
            doloribus reiciendis molestiae placeat unde eos molestias. Quisquam aperiam, pariatur. Tempora, placeat
            ratione porro voluptate odit minima.</p>
    </div>
    <div class="tab-content" tabindex="0" role="tabpanel" id="example-4-tab" aria-labelledby="example-4" hidden="">
        <p>Example 4 content: Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nihil odit magnam minima, soluta
            doloribus reiciendis molestiae placeat unde eos molestias. Quisquam aperiam, pariatur. Tempora, placeat
            ratione porro voluptate odit minima.</p>
    </div>

</div>

Tabs

Based on the version from MDB:
https://mdbootstrap.com/components/tabs/#classic-tabs