Clean UI is messed up

i use the clean ui but im having a problem that half of the ui is blue and half is white, can someone help me with this pls? 😭😭

https://preview.redd.it/ilip3ndqxmre1.png?width=1600&format=png&auto=webp&s=4708d0805272f5b7abe3853118094fc98853a618