<style> .korpus  div, .korpus  input { display: none; } .korpus label { padding: 5px; border: 1px solid #aaa; line-height: 28px; cursor: pointer; position: relative; bottom: 1px; background: #fff; } .korpus input[type="radio"]:checked + label { border-bottom: 2px solid #fff; } .korpus > input:nth-of-type(1):checked ~ div:nth-of-type(1), .korpus > input:nth-of-type(2):checked ~ div:nth-of-type(2), .korpus > input:nth-of-type(3):checked ~ div:nth-of-type(3) { display: block; padding: 5px; border: 1px solid #aaa; } </style>

<div class="korpus"><input type="radio" name="odin" checked="checked" id="vkl1"><label for="vkl1">Слайд 1</label><input type="radio" name="odin" id="vkl2"><label for="vkl2">Слайд 2</label><input type="radio" name="odin" id="vkl3"><label for="vkl3">Слайд 3</label><div>первая вкладка</div><div>вторая вкладка</div><div>третья вкладка</div></div>