Aligning elements left and center with flexbox

Question

I\'m using flexbox to align my child elements. What I\'d like to do is center one element and leave the other aligned to the very left. Normally I would just set the left el

Answer 1

If you don't want to rely on positioning, the only way I've found that makes it truly centered is to use a combination of auto margin and negative margin prevent the centered element to getting pushed over by the left aligned element. This requires that you know the exact width of the left aligned element though.

.container {
  height: 100px;
  border: solid 10px skyblue;
  
  display: flex;
  justify-content: center;
}

.block {
  width: 120px;
  background: tomato;
}

.justify-start {
  margin-right: auto;
}

.justify-center {
  margin-right: auto;
  margin-left: -120px;
}