@media(max-width:600px){
  .content-grid{gap:24px}
  .content-grid>.article{order:0}
  .content-grid>.sidebar{display:contents}
  .content-grid>.sidebar .side-card:first-child{order:-1;margin:0 0 10px}
  .content-grid>.sidebar .side-card:last-child{order:1;margin:10px 0 0}
}