Positioning my header

Question

How can I center my div class header at the center of the webpage. My header class is a flex container with width of 97%

Answer 1

Add margin: 0 auto; to the header

Answer 2

If there display: flex; set
justify-content: center;
to the parent of header

Answer 3

When you apply auto Margin then, the space left is equally provided to the left and right margin

Answer 4

margin-left:1.5%;

may also work.

Answer 5

Мг. Кнап🌠 perfect. But please I know of 0 as 0px up and down, what does auto do to the element?