What are the design issues faced during web development?

Question

The designing industry is highly competitive.
what are the main problems faced during the web development?!
Give us your experiments and how you prevail over this issues?!

Answer 1

I agree with 「ＨＡＰＰＹ ＴＯ ＨＥＬＰ」 I try to use vw (viewport width) but Its really boring

Answer 2

NavMen How exactly is a unit of measurement boring?

Answer 3

Ben Allen (Njinx) well first i find my device's viewport equals how many pixels. Then I replace all pixels with vw in my css code. to do that, I use (pixel)/(vw in px format) and I got bored