Ongoing problem:
It's a CSS-problem. Cause I only use (PS1.3x) I don't exactly know how the category.css in Matrice Theme 1.4 looks like. But there are threads here in the forum which help you out with this problem. Just enter "Matrice 1.4 category" in the forum search. A solution for this, you can also find here: Move to the right side. the princip is same with the my account page Hope you can manage your problem, if not let me know. Have a nice day!