How to swap sides of 2 elements (one with float:left, the other is with float:right)

Question

I have a website with an image on one side, and text on the other. This is how it looks:

Answer 1

Besides changing the html structure u can use flexbox to achieve it with css:

#container {
  display: flex;
  flex-flow: column;
}
#divA {
  order: 2;
}
#divB {
   order: 1;
}