/* https://material.google.com/layout/responsive-ui.html#responsive-ui-breakpoints */
@custom-media --sm-viewport (min-width: 600px);
@custom-media --md-viewport (min-width: 960px);
@custom-media --lg-viewport (min-width: 1280px);

/* https://material.io/guidelines/layout/responsive-ui.html#responsive-ui-breakpoints */
@custom-media --sm-viewport (min-width: 600px);
@custom-media --md-viewport (min-width: 960px);
@custom-media --lg-viewport (min-width: 1280px);

Update link to breakpoints guide
Update link to breakpoints guide
