I did an interview 2 week ago. I'm not a programmer, yet, they gladly asked if I code wich I answered yes. What made me go nuts after show them all my work is,

I did an interview 2 week ago. I'm not a programmer, yet, they gladly asked if I code wich I answered yes. What made me go nuts after show them all my work is, fill a questionary? one question was: "Tell us what you understand by "pixel perfect"