:root{--background:#f5f7fa;--foreground:#1a1a1a}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--background);max-width:100vw;color:var(--foreground);overflow-x:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}.youtube-container{width:100%;height:0;padding-bottom:56.25%;position:relative;overflow:hidden}.youtube-container iframe{border:0;width:100%;height:100%;position:absolute;top:0;left:0}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f5f7fa}::-webkit-scrollbar-thumb{background:#c1c7d0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a0a9b8}