class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_width'>width</span><span class='comma'>,</span> <span class='id identifier rubyid_height'>height</span><span class='comma'>,</span> <span class='id identifier rubyid_label'>label</span><span class='op'>=</span><span class='kw'>nil</span><span class='comma'>,</span> <span class='id identifier rubyid_color'>color</span><span class='op'>=</span><span class='symbol'>:blue</span><span class='co