Angular material button: Color, Size, toggle button - Edupala
Buttons - Components - Material Design
material/button - npm
React Button Group component - Material UI
Buttons - Material Design
How to Create a Button Group with MaterialButtonToggleGroup – Learn to Droid
Angular-material constant width of button group - Stack Overflow
MUI on Twitter: "@_sascha_becker Use the component to group related actions. It has no active items. The Toggle Button is similar but can has multiple active items. The Tabs has one active
Reactjs material ui tutorial #4 ButtonGroup - YouTube