Help needed to mod a theme

[fionab]

I have changed the header and colours in style sheet but it does not update on my site I just get a white page.

[Gizmo]

Check your template.html and make sure you linking to the correct style.css file and then check to make sure you don't have any errors in your css file. Did you back it up before making any changes? But most importantly, post a link to your gallery.