Edit in JSFiddle

Result
HTML
JavaScript

    <body>
    <div>This is div.</div>
    <p>This is paragraph.</p>
    <a href="http://20fingers2brains.blogspot.in/">20fingers2brains</a>
        <br /><br />
    <button id="myButton" >Click ME</button>
        <button onclick="location.reload()">Reset</button>
    </body>

$(document).ready(function()
    {
    $("#myButton").click(function()
    {
    $("[href]").css({'font-family':'comic sans ms','font-size':'28px'});
    });
    });