.App { text-align: center; } .App-logo { animation: App-logo-spin infinite 20s linear; height: 80px; } .App-header { height: 150px; padding: 20px; } .App-title { font-size: 1.5em; } .App-intro { font-size: large; } @keyframes App-logo-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }