diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99e7d159e4..1bea048dfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - `Props` param is required in `ShorthandValue` and `ShorthandCollection` @layershifter ([#1605](https://github.com/stardust-ui/react/pull/1605))
 - `LoaderPosition` type is no longer exported @layershifter ([#1634](https://github.com/stardust-ui/react/pull/1634))
 - Changed values for `textAlign` prop and renamed it to `align` for `Header` component @Bugaa92 ([#1668](https://github.com/stardust-ui/react/pull/1668))
+- `paddingLeftRightValue` variable in `buttonVariables` was renamed to `padding` in Teams theme @layershifter ([#1716](https://github.com/stardust-ui/react/pull/1716))
 
 ### Features
 - Split action handlers with "OR" condition in accessibility behaviors @sophieH29 ([#1622](https://github.com/stardust-ui/react/pull/1622))
@@ -37,6 +38,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Add bidirectional navigation following DOM in `FocusZone` @sophieH29 ([#1637](https://github.com/stardust-ui/react/pull/1647))
 - Open `Popup` on `contextmenu` @jurokapsiar ([#1524](https://github.com/stardust-ui/react/pull/1524))
 - Add `align` prop for `Text` component @Bugaa92 ([#1668](https://github.com/stardust-ui/react/pull/1668))
+- Add `size` prop for `Button` component @layershifter ([#1716](https://github.com/stardust-ui/react/pull/1716))
 
 ### Fixes
 - Fix `ChatMessage`'s focus border overlays `actionMenu` in Teams theme @mnajdova ([#1637](https://github.com/stardust-ui/react/pull/1637))
@@ -44,6 +46,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Add `color` prop to `Segment` typings @layershifter ([#1702](https://github.com/stardust-ui/react/pull/1702))
 - Remove `color` prop from `Dialog` typings @layershifter ([#1702](https://github.com/stardust-ui/react/pull/1702))
 - `Loader` uses `Text` component for `label` slot instead of `Box` @layershifter ([#1701](https://github.com/stardust-ui/react/pull/1701))
+- Fix test cut off in `Button` component @layershifter ([#1716](https://github.com/stardust-ui/react/pull/1716))
 
 ### Documentation
 - Make sidebar categories collapsible @lucivpav ([#1611](https://github.com/stardust-ui/react/pull/1611))
diff --git a/docs/src/examples/components/Button/Variations/ButtonExampleSize.shorthand.tsx b/docs/src/examples/components/Button/Variations/ButtonExampleSize.shorthand.tsx
new file mode 100644
index 0000000000..3d8b13f21e
--- /dev/null
+++ b/docs/src/examples/components/Button/Variations/ButtonExampleSize.shorthand.tsx
@@ -0,0 +1,24 @@
+import { Button, Divider, Flex } from '@stardust-ui/react'
+import * as React from 'react'
+
+const ButtonExampleSizeShorthand: React.FC = () => (
+  <>
+    <Flex gap="gap.smaller">
+      <Button size="smallest" content="Smallest" />
+      <Button size="smaller" content="Smaller" />
+      <Button size="small" content="Small" />
+    </Flex>
+    <Divider />
+
+    <Button content="Medium (default)" />
+    <Divider />
+
+    <Flex gap="gap.smaller">
+      <Button size="large" content="Large" />
+      <Button size="larger" content="Larger" />
+      <Button size="largest" content="Largest" />
+    </Flex>
+  </>
+)
+
+export default ButtonExampleSizeShorthand
diff --git a/docs/src/examples/components/Button/Variations/index.tsx b/docs/src/examples/components/Button/Variations/index.tsx
index 1a638977b3..99d83c50dc 100644
--- a/docs/src/examples/components/Button/Variations/index.tsx
+++ b/docs/src/examples/components/Button/Variations/index.tsx
@@ -24,6 +24,11 @@ const Variations = () => (
       description="A button can be shown in form of a text to indicate some less-pronounced actions."
       examplePath="components/Button/Variations/ButtonExampleText"
     />
+    <ComponentExample
+      title="Size"
+      description="A button can have assorted sizes."
+      examplePath="components/Button/Variations/ButtonExampleSize"
+    />
   </ExampleSection>
 )
 
diff --git a/packages/react/src/components/Button/Button.tsx b/packages/react/src/components/Button/Button.tsx
index e53c847f5d..f4216660b2 100644
--- a/packages/react/src/components/Button/Button.tsx
+++ b/packages/react/src/components/Button/Button.tsx
@@ -14,6 +14,7 @@ import {
   commonPropTypes,
   rtlTextContainer,
   applyAccessibilityKeyHandlers,
+  SizeValue,
 } from '../../lib'
 import Icon, { IconProps } from '../Icon/Icon'
 import Box, { BoxProps } from '../Box/Box'
@@ -69,6 +70,9 @@ export interface ButtonProps
 
   /** A button can be formatted to show different levels of emphasis. */
   secondary?: boolean
+
+  /** A size of the button. */
+  size?: SizeValue
 }
 
 export interface ButtonState {
@@ -97,11 +101,13 @@ class Button extends UIComponent<WithAsProp<ButtonProps>, ButtonState> {
     primary: customPropTypes.every([customPropTypes.disallow(['secondary']), PropTypes.bool]),
     text: PropTypes.bool,
     secondary: customPropTypes.every([customPropTypes.disallow(['primary']), PropTypes.bool]),
+    size: customPropTypes.size,
   }
 
   static defaultProps = {
     as: 'button',
     accessibility: buttonBehavior as Accessibility,
+    size: 'medium',
   }
 
   static Group = ButtonGroup
diff --git a/packages/react/src/themes/teams/components/Button/buttonStyles.ts b/packages/react/src/themes/teams/components/Button/buttonStyles.ts
index ef8770788a..58080bf14a 100644
--- a/packages/react/src/themes/teams/components/Button/buttonStyles.ts
+++ b/packages/react/src/themes/teams/components/Button/buttonStyles.ts
@@ -1,215 +1,187 @@
-import { pxToRem } from '../../../../lib'
 import { ComponentSlotStylesInput, ICSSInJSStyle } from '../../../types'
 import { ButtonProps, ButtonState } from '../../../../components/Button/Button'
 import { ButtonVariables } from './buttonVariables'
 import getBorderFocusStyles from '../../getBorderFocusStyles'
 
 const buttonStyles: ComponentSlotStylesInput<ButtonProps & ButtonState, ButtonVariables> = {
-  root: ({ props, variables, theme: { siteVariables } }): ICSSInJSStyle => {
-    const { circular, disabled, fluid, primary, text, iconOnly, isFromKeyboard } = props
+  root: ({ props: p, variables: v, theme: { siteVariables } }): ICSSInJSStyle => {
     const { borderWidth } = siteVariables
 
-    const {
-      height,
-      minWidth,
-      maxWidth,
-      borderRadius,
-      circularBorderRadius,
-      paddingLeftRightValue,
-
-      color,
-      colorHover,
-      colorFocus,
-      colorDisabled,
-      backgroundColor,
-      backgroundColorActive,
-      backgroundColorHover,
-      backgroundColorFocus,
-      backgroundColorDisabled,
-      borderColor,
-      borderColorHover,
-      borderColorDisabled,
-
-      primaryColor,
-      primaryColorHover,
-      primaryColorFocus,
-      primaryBackgroundColor,
-      primaryBackgroundColorActive,
-      primaryBackgroundColorHover,
-      primaryBackgroundColorFocus,
-      primaryBorderColor,
-
-      circularColor,
-      circularColorActive,
-      circularBackgroundColor,
-      circularBackgroundColorActive,
-      circularBackgroundColorHover,
-      circularBackgroundColorFocus,
-      circularBorderColor,
-      circularBorderColorHover,
-      circularBorderColorFocus,
-
-      textColor,
-      textColorHover,
-      textPrimaryColor,
-      textPrimaryColorHover,
-      boxShadow,
-    } = variables
-
     const { ':focus': borderFocusStyles } = getBorderFocusStyles({
       siteVariables,
-      isFromKeyboard,
-      ...(circular && {
-        borderRadius: circularBorderRadius,
-        focusOuterBorderColor: circularBorderColorFocus,
+      isFromKeyboard: p.isFromKeyboard,
+      ...(p.circular && {
+        borderRadius: v.circularBorderRadius,
+        focusOuterBorderColor: v.circularBorderColorFocus,
       }),
     })
 
     return {
-      height,
-      minWidth,
-      maxWidth,
-      color,
-      backgroundColor,
-      borderRadius,
+      height: v.height,
+      minWidth: v.minWidth,
+      maxWidth: v.maxWidth,
+      color: v.color,
+      backgroundColor: v.backgroundColor,
+      borderRadius: v.borderRadius,
       display: 'inline-flex',
       justifyContent: 'center',
       alignItems: 'center',
       position: 'relative',
-      padding: `0 ${pxToRem(paddingLeftRightValue)}`,
+      padding: v.padding,
       verticalAlign: 'middle',
       cursor: 'pointer',
 
+      ...(p.size === 'small' && {
+        padding: v.sizeSmallPadding,
+        height: v.sizeSmallHeight,
+        minWidth: v.sizeSmallMinWidth,
+      }),
+
       // rectangular button defaults
-      ...(!text && {
+      ...(!p.text && {
         outline: 0,
         borderWidth,
         borderStyle: 'solid',
-        borderColor,
-        boxShadow,
+        borderColor: v.borderColor,
+        boxShadow: v.boxShadow,
 
         ':hover': {
-          color: colorHover,
-          backgroundColor: backgroundColorHover,
-          borderColor: borderColorHover,
+          color: v.colorHover,
+          backgroundColor: v.backgroundColorHover,
+          borderColor: v.borderColorHover,
         },
 
         ':focus': {
           boxShadow: 'none',
-          ...(isFromKeyboard
+          ...(p.isFromKeyboard
             ? {
-                color: colorFocus,
-                backgroundColor: backgroundColorFocus,
+                color: v.colorFocus,
+                backgroundColor: v.backgroundColorFocus,
                 ...borderFocusStyles,
               }
-            : { ':active': { backgroundColor: backgroundColorActive } }),
+            : { ':active': { backgroundColor: v.backgroundColorActive } }),
         },
       }),
 
       // circular button defaults
-      ...(circular &&
-        !text && {
-          minWidth: height,
+      ...(p.circular &&
+        !p.text && {
+          minWidth: v.height,
           padding: 0,
-          color: circularColor,
-          backgroundColor: circularBackgroundColor,
-          borderColor: circularBorderColor,
-          borderRadius: circularBorderRadius,
+          color: v.circularColor,
+          backgroundColor: v.circularBackgroundColor,
+          borderColor: v.circularBorderColor,
+          borderRadius: v.circularBorderRadius,
+
+          ...(p.size === 'small' && {
+            minWidth: v.sizeSmallHeight,
+          }),
 
           ':hover': {
-            color: circularColorActive,
-            backgroundColor: circularBackgroundColorHover,
-            borderColor: circularBorderColorHover,
+            color: v.circularColorActive,
+            backgroundColor: v.circularBackgroundColorHover,
+            borderColor: v.circularBorderColorHover,
           },
 
           ':focus': {
             boxShadow: 'none',
-            ...(isFromKeyboard
+            ...(p.isFromKeyboard
               ? {
-                  color: circularColorActive,
-                  backgroundColor: circularBackgroundColorFocus,
+                  color: v.circularColorActive,
+                  backgroundColor: v.circularBackgroundColorFocus,
                   ...borderFocusStyles,
                 }
-              : { ':active': { backgroundColor: circularBackgroundColorActive } }),
+              : { ':active': { backgroundColor: v.circularBackgroundColorActive } }),
           },
         }),
 
       // text button defaults
-      ...(text && {
-        color: textColor,
+      ...(p.text && {
+        color: v.textColor,
         backgroundColor: 'transparent',
         borderColor: 'transparent',
         ':hover': {
-          color: textColorHover,
+          color: v.textColorHover,
         },
-        ...(primary && {
-          color: textPrimaryColor,
+        ...(p.primary && {
+          color: v.textPrimaryColor,
           ':hover': {
-            color: textPrimaryColorHover,
+            color: v.textPrimaryColorHover,
           },
         }),
 
         ':focus': {
           boxShadow: 'none',
           outline: 'none',
-          ...(isFromKeyboard && borderFocusStyles),
+          ...(p.isFromKeyboard && borderFocusStyles),
         },
       }),
 
       // Overrides for "primary" buttons
-      ...(primary &&
-        !text && {
-          color: primaryColor,
-          backgroundColor: primaryBackgroundColor,
-          borderColor: primaryBorderColor,
+      ...(p.primary &&
+        !p.text && {
+          color: v.primaryColor,
+          backgroundColor: v.primaryBackgroundColor,
+          borderColor: v.primaryBorderColor,
 
           ':hover': {
-            color: primaryColorHover,
-            backgroundColor: primaryBackgroundColorHover,
+            color: v.primaryColorHover,
+            backgroundColor: v.primaryBackgroundColorHover,
           },
 
           ':focus': {
             boxShadow: 'none',
-            ...(isFromKeyboard
+            ...(p.isFromKeyboard
               ? {
-                  color: primaryColorFocus,
-                  backgroundColor: primaryBackgroundColorFocus,
+                  color: v.primaryColorFocus,
+                  backgroundColor: v.primaryBackgroundColorFocus,
                   ...borderFocusStyles,
                 }
-              : { ':active': { backgroundColor: primaryBackgroundColorActive } }),
+              : { ':active': { backgroundColor: v.primaryBackgroundColorActive } }),
           },
         }),
 
       // Overrides for "disabled" buttons
-      ...(disabled && {
+      ...(p.disabled && {
         cursor: 'default',
-        color: colorDisabled,
-        backgroundColor: backgroundColorDisabled,
-        borderColor: borderColorDisabled,
+        color: v.colorDisabled,
+        backgroundColor: v.backgroundColorDisabled,
+        borderColor: v.borderColorDisabled,
         boxShadow: 'none',
         ':hover': {
-          backgroundColor: backgroundColorDisabled,
+          backgroundColor: v.backgroundColorDisabled,
         },
       }),
 
-      ...(fluid && {
+      ...(p.fluid && {
         width: '100%',
         maxWidth: '100%',
       }),
 
-      ...(iconOnly && {
-        minWidth: height,
+      ...(p.iconOnly && {
+        minWidth: v.height,
         padding: 0,
+
+        ...(p.size === 'small' && {
+          minWidth: v.sizeSmallHeight,
+        }),
       }),
     }
   },
 
   // modifies the text of the button
-  content: ({ variables }): ICSSInJSStyle => ({
+  content: ({ props: p, variables: v }): ICSSInJSStyle => ({
     overflow: 'hidden',
     textOverflow: 'ellipsis',
     whiteSpace: 'nowrap',
-    fontWeight: variables.contentFontWeight,
+    fontSize: v.contentFontSize,
+    fontWeight: v.contentFontWeight,
+    lineHeight: v.contentLineHeight,
+
+    ...(p.size === 'small' && {
+      fontSize: v.sizeSmallContentFontSize,
+      lineHeight: v.sizeSmallContentLineHeight,
+    }),
   }),
 }
 
diff --git a/packages/react/src/themes/teams/components/Button/buttonVariables.ts b/packages/react/src/themes/teams/components/Button/buttonVariables.ts
index adce62aa28..82844d55cf 100644
--- a/packages/react/src/themes/teams/components/Button/buttonVariables.ts
+++ b/packages/react/src/themes/teams/components/Button/buttonVariables.ts
@@ -3,12 +3,14 @@ import { FontWeightProperty } from 'csstype'
 import { pxToRem } from '../../../../lib'
 
 export interface ButtonVariables {
+  padding: string
   height: string
   minWidth: string
   maxWidth: string
   borderRadius: string
-  paddingLeftRightValue: number
   contentFontWeight: FontWeightProperty
+  contentFontSize: string
+  contentLineHeight: string
 
   color: string
   colorHover: string
@@ -51,15 +53,24 @@ export interface ButtonVariables {
   textSecondaryColorHover: string
 
   boxShadow: string
+
+  sizeSmallContentFontSize: string
+  sizeSmallContentLineHeight: string
+  sizeSmallHeight: string
+  sizeSmallMinWidth: string
+  sizeSmallPadding: string
 }
 
 export default (siteVars: any): ButtonVariables => ({
+  padding: `0 ${pxToRem(20)}`,
   height: pxToRem(32),
   minWidth: pxToRem(96),
   maxWidth: pxToRem(280),
   borderRadius: siteVars.borderRadius,
+
+  contentFontSize: siteVars.fontSizes.medium,
   contentFontWeight: siteVars.fontWeightSemibold,
-  paddingLeftRightValue: 20,
+  contentLineHeight: siteVars.lineHeightMedium,
 
   color: siteVars.colors.grey[750],
   colorHover: siteVars.colors.grey[750],
@@ -102,4 +113,10 @@ export default (siteVars: any): ButtonVariables => ({
   textSecondaryColorHover: siteVars.colors.brand[800],
 
   boxShadow: siteVars.shadowLevel1,
+
+  sizeSmallContentFontSize: siteVars.fontSizes.small,
+  sizeSmallContentLineHeight: siteVars.lineHeightSmall,
+  sizeSmallHeight: pxToRem(24),
+  sizeSmallMinWidth: pxToRem(72),
+  sizeSmallPadding: `0 ${pxToRem(8)}`,
 })