How to change the flex order when wrapping [closed]

Answer 1

You can make b element full width with flex: 0 0 100% and change order to order: 2 with media queries DEMO

* {
  box-sizing: border-box;
}
body, html {
  margin: 0;
  padding: 0;
}
.content {
  display: flex;
  flex-wrap: wrap;
}
.b {
  background: lightblue;
}
.a, .b, .c {
  border: 1px solid black;
  flex: 1;
  padding: 10px;
}
@media(max-width: 768px) {
  .b {
    flex: 0 0 100%;
    order: 2;
  }
}

  
A
  
B
  
C