@media screen and (max-width: 768px) {
  .v-topbar {
    width: 100%;
    display: flex;
    flex-direction: column-reverse;
    background: #FFFBEF;
    align-items: center;
  }

  .img1 {
    width: 55%;
    margin: 25px 0;
  }
  
  .img2 {
    width: 100%;
  }
}

@media screen and (min-width: 769px) {
  .v-topbar {
    width: 100%;
    height: 490px;
    display: flex;
    background: #FFFBEF;
    justify-content: space-around;
    align-items: center;
  }
  .img1 {
    width: 336px;
  }
  
  .img2 {
    width: 860px;
  }
}