Utility: flow layout
See https://24ways.org/2018/managing-flow-and-rhythm-with-css-custom-properties/
.flow > * + * {
margin-top: var(--flow-space, 1em);
}
See https://24ways.org/2018/managing-flow-and-rhythm-with-css-custom-properties/
.flow > * + * {
margin-top: var(--flow-space, 1em);
}