.App { text-align: center; } .App-logo { height: 40vmin; pointer-events: none; } @media (prefers-reduced-motion: no-preference) { .App-logo { animation: App-logo-spin infinite 20s linear; } } .AppHeader { background: linear-gradient(217deg, rgba(255,0,0,.8), rgba(255,0,0,0) 70.71%), linear-gradient(127deg, rgba(0,255,0,.8), rgba(0,255,0,0) 70.71%), linear-gradient(336deg, rgba(0,0,255,.8), rgba(0,0,255,0) 70.71%); background: black; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: calc(10px + 2vmin); color: white; } .AppLink { color: #61dafb; } @keyframes App-logo-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }