title: Does bootstrap have builtin padding and margin classes?
body: <p>Does Bootstrap have built-in padding and margin classes like <code>pad-10</code>, <code>mar-left-10</code> or I have to add my own custom classes? For example, similar to the ones <a href="http://seantheme.com/color-admin-v1.8/admin/html/helper_css.html" rel="noreferrer">here</a> at padding and margin tabs.</p>