Fix up start, lobby, name prompt, ability selection, and main scene UI

[tjjjwxzq]

• Basic polish for start is done

[tjjjwxzq]

• Basic polish for ability selection is done

[tjjjwxzq]

• Basic polish for lobby scene is done

[tjjjwxzq]

• Basic polish for name prompt scene is done

[tjjjwxzq]

• Main scene adjustments are done