.flex {
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    flex-direction: row;
    -webkit-box-pack: justify;
    justify-content: space-between;
    display: -webkit-box;
    display: flex;
    box-sizing: border-box;
  }
  .flex-1 {
    width: 100%;
    -webkit-box-flex: 1;
    flex: 1;
  }
  .flex-2 {
    -webkit-box-flex: 2;
    flex: 2;
  }
  
.flex-3 {
  -webkit-box-flex: 3;
  flex: 3;
}