SO-20303336

HTML

<div>
     <h2>The sun</h2>

    <button>Display more info</button>
    <p>The sun is shiny and is the symbol of daylight, it is a burning ball of gas</p>
</div>
<hr>
<div>
     <h2>The moon</h2>

    <button>Display more info</button>
    <div>sdsd</div>
    <span>sdfsdf</span>
</div>
    <div>The moon is a tiny planet and is the symbol night</div>
<hr>

CSS

p{display:none;}

JavaScript

$("button").click(function () {
    $(this).parent().next().slideToggle("slow")
});