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<div class="tab">
<button class="tablinks" onclick="openCity(event, 'London')" id="defaultOpen">Overview</button>
<button class="tablinks" onclick="openCity(event, 'Care')">Features</button>

<button class="tablinks" onclick="openCity(event, 'Paris')">Specifications</button>

<button class="tablinks" onclick="openCity(event, 'Tokyo')">Package Includes</button>

</div>
<div id="London" class="tabcontent">Tab 1 content</div>
<div id="Care" class="tabcontent">Tab 2 content</div>

<div id="Paris" class="tabcontent">Tab 1 content</div>

<div id="Tokyo" class="tabcontent">Tab 1 content</div>

<div id="Lahore" class="tabcontent">Tab 1 content</div>

<button class="tablinks" onclick="openCity(event, 'Lahore')">Package Includes</button>