how do I create a popup menu like when you push the bookmark icon in safari.. SEE PIC
<p>Hope this isn't a lame question but for the life of me I cannot figure out how to make a pop-up button menu like the image I've attached from my phone. Any help is appreciated!</p>

<p><img src="http://i.stack.imgur.com/lj9RK.png" alt="http://i.stack.imgur.com/pMbRg.png"></p>
