#root{text-align:center;margin:0;padding:0}.App{flex-direction:column;min-height:100vh;font-family:Arial,sans-serif;display:flex}main{flex-grow:1;padding:20px}nav li a{transition:color .3s}nav li a:hover{color:#61dafb}@media (width<=768px){nav ul{flex-direction:column;align-items:center;gap:15px}nav li a{padding:5px 0}main{padding:10px}}@media (width<=480px){nav{padding:10px 15px}nav ul{gap:10px}}