Complex sentence: While the front cover was originally accented by a font reading "RUN", with each letter placed on a key button, in June 1987 the keys were removed and the font became italicized with rounded letters.
Split into simpler sentences: While the front cover was originally accented by a font reading "RUN", with each letter placed on a key button. In June 1987 the keys were removed and the font became italicized with rounded letters.