Good job - the site presents quite well. Obviously a bit of a problem with bottom of page leaving white space below. Not sure what the answer is for that. The mobile variant is getting there - looks like it may need the 'scale to page width' option enabled - someone more skilled than me might comment. otherwise, it looks pretty clean- maybe a good graphic designer could run their eye over it and fix a few layout things. (I;m very lucky- my partner is a good graphic designer and fixes up my website bloopers)
Cheers, John