Material Design
Paper can represent a surface from the Material Foundation. Even if you are not designing something "material", the foundations of Material Design are a pillar of MudBlazor and provide useful insight into how many components operate.
Component
<MudPaper Class="pa-16 ma-2" Elevation="0"></MudPaper> <MudPaper Class="pa-16 ma-2"></MudPaper> <MudPaper Class="pa-16 ma-2" Elevation="3"></MudPaper>