@media(min-width:640px){
  .activity-grid{grid-template-columns:repeat(2,1fr)}
  .kanban-col{flex:1;min-width:160px}
}
@media(min-width:960px){
  .activity-grid{grid-template-columns:repeat(2,1fr)}
  .dash-cards{grid-template-columns:repeat(4,1fr)}
}