Bench Press Form Check

Hi Guys,

Just wanted some opinions on my bench press and see if it looks okey.
This set felt good but when I increased the weight from 60kg to 90kg my butt came off the bench when I tried to drive with my legs. It seems the bar travels a huge distance even tho I feel like I am really digging my back/shoulders into the bench.
All opinions are welcome!

Greetings,
from Viktor