Problem when browser window is less than 900px

Buetifully made theme!

In template.php line 23:

function fields_links($links, $attributes = array('class' => 'links')) {

should be with "2009_"

function fields_2009_links($links, $attributes = array('class' => 'links')) {

There are some problemes when the browser window is less than 900px, check the image attached taken from your demo