The styling theme chosen was entirely conventional in terms of sports cars of the 1950s. The typical 50s sports car had a long hood, front fenders that passed over the doors in a downwards trajectory, separate or sometimes blended rear fenders that, in both cases, were higher than the intersection point of the front fenders, and the driver/passenger compartment in the form a cockpit.
I never liked MGA styling because I thought it wasn't balanced correctly, as I'll explain below.
Here are some ways to improve the design. Have the front fenderline blend into the rear of the cockpit. Fill out the front part of the rear fender an inch (2 mm) or so in order to make it less tail-heavy. Adding some kind of character line or thin chrome trim along the sides at about bumper level from wheelhouse to wheelhouse (and perhaps extending behind the rear wheelhouse) would help tie the front and rear together. The front could be improved by lowering the headlights slightly.