.App { width: 100%; height: 100%; position: absolute; top: 0; left: 0; } .App-logo { animation: App-logo-spin infinite 20s linear; height: 40vmin; } .App-header { background-color: #282c34; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: calc(10px + 2vmin); color: white; } .App-link { color: #61dafb; } @keyframes App-logo-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } .root { width: 100%; height: 100%; position: absolute; top: 0; left: 0; } .graph-area{ border-style: solid; border-color: darkgray; border-width: 1px 0 1px 0; position: relative; width: 100%; height: 70%; }