HTML border thickness on zoom

Question

Hello i got this problem i got website that on 100% zoom looks normal but when i zoom to 110% + borders starts act weird way. On some of the borders thickness is rendered 2x

Answer 1

following up what @pepo_rasta said about pixels i would recommend not using them at all. I would recommend em or some other relative unity to do your borders in for scaleability

have a look at this

ems v px