Issue when centering vertically with flexbox when heights are unknown
I found the solution: .flex-container { display: flex; /* only */ overflow-y: scroll; } .flex-container > div { margin: auto; /* horizontal and vertical align */ } html, body { height: 100%; width: 100%; padding: 0; margin: 0; } .flex-container { display: flex; width: 100%; height: 100px; /* change height to 300px */ overflow-y: scroll; … Read more