.card{background-color:#7fffd4;max-width:90%;width:200px;border:1px solid black;border-radius:5px;font-family:sans-serif;margin:10px;padding:5px;text-align:center}.card img{width:100%;height:auto;border:none}.course-container{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.footer{background-color:#1a1a1a;color:#fff;text-align:center;padding:15px 0;font-size:16px;position:fixed;bottom:0;width:100%;box-shadow:0 -2px 5px #0000004d}.footer span{color:#ff4d4d}