#playlist-navigation{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:20px}#playlist-navigation button{background-color:#fff;border:1px solid #4dd651;border-radius:5px;color:#19263e;cursor:pointer;flex:1 1 auto;font-size:18px;max-width:300px;padding:15px 25px;text-align:center;transition:background-color .3s ease,color .3s ease}#playlist-navigation button:hover{background-color:#4dd651;color:#fff}#playlist-navigation button.active{background-color:#4dd651;border-color:#19263e;color:#19263e;font-weight:700}#playlist-container{background-color:#f9f9f9;border-radius:10px;display:flex;flex-wrap:wrap;gap:20px;justify-content:center;padding:20px}.video-card{border:1px solid #b4b8bf;border-radius:8px;overflow:hidden;text-align:center;transition:transform .3s ease;width:500px}.video-card:hover{transform:translateY(-5px)}.video-card iframe{border:none;height:281px;width:100%}.video-card h3{color:#19263e;font-size:16px;font-weight:700;margin:10px 0}@media (max-width:768px){.video-card{width:100%}#playlist-navigation button{font-size:16px;padding:12px 20px}}