.youtube-videos-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:30px}.youtube-video-card{background:#f9f9f9;border:1px solid #ddd;padding:15px;border-radius:8px;text-align:center}.video-title{font-size:1em;margin-bottom:10px;color:#333}.video-embed{position:relative;width:100%;aspect-ratio:16 / 9}.video-embed iframe{width:100%;height:100%;border:none}.youtube-video-card:only-child{max-width:600px;margin:0 auto;width:100%}