Tabs based on hidden radio-type inputs with CSS3 defined with strict inheritance.
<div class="Tabs">
<input type="radio" id="tab-0" checked name="tab" value="1">
<label for="tab-0">
<b>First</b>
</label>
<div>
FIRST CONTENT
</div>
<input type="radio" id="tab-1" name="tab" value="2">
<label for="tab-1">
<b>Second</b>
</label>
<div>
SECOND CONTENT
</div>
</div>