center flexbox on page code example

Example 1: css flex center horizontally and vertically

display: flex;
align-items: center;
justify-content: center;

Example 2: centering with flexbox

/* HORIZONTAL */
justify-content: center;

/* VERTICAL */
align-items: center;

Example 3: how center content in css by using flex

display: flex;
    width: 60%;
    justify-content: center;
    margin: 0 auto;