Simplify the following text for a Grade 10 native English-speaking person.
Original: Although the master-plan was followed until the 1930s , the 1950s saw the modernist style established as a new `` house style '' , resulting in the mix of university buildings seen today .
Simplified: In the 1950s a modernist style was started as the new `` house style '' , resulting in the mix of university buildings seen today .