.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media (max-width:1100px){.course-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:860px){.course-grid{grid-template-columns:repeat(2,1fr);gap:16px}}@media (max-width:540px){.course-grid{grid-template-columns:1fr}}