body { margin: 0; padding: 0; font-family: sans-serif; } .React-logo { height: 50px; position: absolute; right: 0; } .App-logo { height: 25px; position: absolute; left: 0; padding: 10px; } .App-header { background-color: #222; height: 50px; color: white; } .mainLogo{ width: 450px; } #title{ text-align: center; height: 100%; }