Line break (like ) using only css

Question

Is it possible in pure css, that is without adding additional html tags, to make a line break like
? I want the line break after the

<

Answer 1

It works like this:

h4 {
    display:inline;
}
h4:after {
    content:"\a";
    white-space: pre;
}

Example: http://jsfiddle.net/Bb2d7/

The trick comes from here: https://stackoverflow.com/a/66000/509752 (to have more explanation)