MUI Layout and Responsive Design Grid v2 MUI v6 ships Grid v2 as default (imported from ). The prop replaces the old / / props. Grid v2 always uses CSS grid internally and no longer requires the prop — every direct child of a is a grid item. Basic grid size values Spacing and column/row gap Offset Nested grid --- Stack is a one-dimensional layout component (flexbox row or column). Simpler than Grid for linear sequences of components. Basic usage Responsive direction Divider between items useFlexGap By default Stack uses negative margin to simulate gaps. Set to use the CSS property instead — r…