.project-grid { grid-template-columns:repeat(4,minmax(0,1fr)); }.project-card { min-height:350px; } @media (max-width:900px) { .project-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } } @media (max-width:600px) { .project-grid { grid-template-columns:1fr; } }