.header { flex: none; display: flex; flex-direction: row; align-items: center; justify-content: center; width: 100%; height: 64px; background-color: white; box-shadow: 0 -1px 0 0 #d7d7db7f, 0 2px 6px 0 #0000001e; } .header h1 { margin: 0; }