diff --git a/app/soapbox/components/ui/button/useButtonStyles.ts b/app/soapbox/components/ui/button/useButtonStyles.ts
index ecec3de1f..4dc38997d 100644
--- a/app/soapbox/components/ui/button/useButtonStyles.ts
+++ b/app/soapbox/components/ui/button/useButtonStyles.ts
@@ -1,12 +1,32 @@
 import classNames from 'clsx';
 
-type ButtonThemes = 'primary' | 'secondary' | 'tertiary' | 'accent' | 'danger' | 'transparent' | 'outline'
-type ButtonSizes = 'sm' | 'md' | 'lg'
+const themes = {
+  primary:
+    'bg-primary-500 hover:bg-primary-400 dark:hover:bg-primary-600 border-transparent focus:bg-primary-500 text-gray-100 focus:ring-primary-300',
+  secondary:
+    'border-transparent bg-primary-100 dark:bg-primary-800 hover:bg-primary-50 dark:hover:bg-primary-700 focus:bg-primary-100 dark:focus:bg-primary-800 text-primary-500 dark:text-primary-200',
+  tertiary:
+    'bg-transparent border-gray-400 dark:border-gray-800 hover:border-primary-300 dark:hover:border-primary-700 focus:border-primary-500 text-gray-900 dark:text-gray-100 focus:ring-primary-500',
+  accent: 'border-transparent bg-secondary-500 hover:bg-secondary-400 focus:bg-secondary-500 text-gray-100 focus:ring-secondary-300',
+  danger: 'border-transparent bg-danger-100 dark:bg-danger-900 text-danger-600 dark:text-danger-200 hover:bg-danger-600 hover:text-gray-100 dark:hover:text-gray-100 dark:hover:bg-danger-500 focus:bg-danger-800 dark:focus:bg-danger-600',
+  transparent: 'border-transparent text-gray-800 backdrop-blur-sm bg-white/75 hover:bg-white/80',
+  outline: 'border-gray-100 border-2 bg-transparent text-gray-100 hover:bg-white/10',
+};
+
+const sizes = {
+  xs: 'px-3 py-1 text-xs',
+  sm: 'px-3 py-1.5 text-xs leading-4',
+  md: 'px-4 py-2 text-sm',
+  lg: 'px-6 py-3 text-base',
+};
+
+type ButtonSizes = keyof typeof sizes
+type ButtonThemes = keyof typeof themes
 
 type IButtonStyles = {
-  theme: ButtonThemes,
-  block: boolean,
-  disabled: boolean,
+  theme: ButtonThemes
+  block: boolean
+  disabled: boolean
   size: ButtonSizes
 }
 
@@ -17,26 +37,6 @@ const useButtonStyles = ({
   disabled,
   size,
 }: IButtonStyles) => {
-  const themes = {
-    primary:
-      'bg-primary-500 hover:bg-primary-400 dark:hover:bg-primary-600 border-transparent focus:bg-primary-500 text-gray-100 focus:ring-primary-300',
-    secondary:
-      'border-transparent bg-primary-100 dark:bg-primary-800 hover:bg-primary-50 dark:hover:bg-primary-700 focus:bg-primary-100 dark:focus:bg-primary-800 text-primary-500 dark:text-primary-200',
-    tertiary:
-      'bg-transparent border-gray-400 dark:border-gray-800 hover:border-primary-300 dark:hover:border-primary-700 focus:border-primary-500 text-gray-900 dark:text-gray-100 focus:ring-primary-500',
-    accent: 'border-transparent bg-secondary-500 hover:bg-secondary-400 focus:bg-secondary-500 text-gray-100 focus:ring-secondary-300',
-    danger: 'border-transparent bg-danger-100 dark:bg-danger-900 text-danger-600 dark:text-danger-200 hover:bg-danger-600 hover:text-gray-100 dark:hover:text-gray-100 dark:hover:bg-danger-500 focus:bg-danger-800 dark:focus:bg-danger-600',
-    transparent: 'border-transparent text-gray-800 backdrop-blur-sm bg-white/75 hover:bg-white/80',
-    outline: 'border-gray-100 border-2 bg-transparent text-gray-100 hover:bg-white/10',
-  };
-
-  const sizes = {
-    xs: 'px-3 py-1 text-xs',
-    sm: 'px-3 py-1.5 text-xs leading-4',
-    md: 'px-4 py-2 text-sm',
-    lg: 'px-6 py-3 text-base',
-  };
-
   const buttonStyle = classNames({
     'inline-flex items-center border font-medium rounded-full focus:outline-none focus:ring-2 focus:ring-offset-2 appearance-none transition-all': true,
     'select-none disabled:opacity-75 disabled:cursor-default': disabled,
diff --git a/app/soapbox/components/ui/card/card.tsx b/app/soapbox/components/ui/card/card.tsx
index 816627326..59f6ee1bc 100644
--- a/app/soapbox/components/ui/card/card.tsx
+++ b/app/soapbox/components/ui/card/card.tsx
@@ -18,13 +18,13 @@ const messages = defineMessages({
 
 interface ICard {
   /** The type of card. */
-  variant?: 'default' | 'rounded',
+  variant?: 'default' | 'rounded'
   /** Card size preset. */
-  size?: 'md' | 'lg' | 'xl',
+  size?: keyof typeof sizes
   /** Extra classnames for the <div> element. */
-  className?: string,
+  className?: string
   /** Elements inside the card. */
-  children: React.ReactNode,
+  children: React.ReactNode
 }
 
 /** An opaque backdrop to hold a collection of related elements. */
diff --git a/app/soapbox/components/ui/hstack/hstack.tsx b/app/soapbox/components/ui/hstack/hstack.tsx
index f959cdd51..a109da608 100644
--- a/app/soapbox/components/ui/hstack/hstack.tsx
+++ b/app/soapbox/components/ui/hstack/hstack.tsx
@@ -17,7 +17,7 @@ const alignItemsOptions = {
 };
 
 const spaces = {
-  '0.5': 'space-x-0.5',
+  [0.5]: 'space-x-0.5',
   1: 'space-x-1',
   1.5: 'space-x-1.5',
   2: 'space-x-2',
@@ -29,21 +29,21 @@ const spaces = {
 
 interface IHStack {
   /** Vertical alignment of children. */
-  alignItems?: 'top' | 'bottom' | 'center' | 'start',
+  alignItems?: keyof typeof alignItemsOptions
   /** Extra class names on the <div> element. */
-  className?: string,
+  className?: string
   /** Children */
-  children?: React.ReactNode,
+  children?: React.ReactNode
   /** Horizontal alignment of children. */
-  justifyContent?: 'between' | 'center' | 'start' | 'end' | 'around',
+  justifyContent?: keyof typeof justifyContentOptions
   /** Size of the gap between elements. */
-  space?: 0.5 | 1 | 1.5 | 2 | 3 | 4 | 6 | 8,
+  space?: keyof typeof spaces
   /** Whether to let the flexbox grow. */
-  grow?: boolean,
+  grow?: boolean
   /** Extra CSS styles for the <div> */
   style?: React.CSSProperties
   /** Whether to let the flexbox wrap onto multiple lines. */
-  wrap?: boolean,
+  wrap?: boolean
 }
 
 /** Horizontal row of child elements. */
diff --git a/app/soapbox/components/ui/modal/modal.tsx b/app/soapbox/components/ui/modal/modal.tsx
index e203a1460..969f7ae65 100644
--- a/app/soapbox/components/ui/modal/modal.tsx
+++ b/app/soapbox/components/ui/modal/modal.tsx
@@ -10,8 +10,6 @@ const messages = defineMessages({
   confirm: { id: 'confirmations.delete.confirm', defaultMessage: 'Delete' },
 });
 
-type Widths = 'xs' | 'sm' | 'md' | 'lg' | 'xl' | '2xl' | '3xl' | '4xl'
-
 const widths = {
   xs: 'max-w-xs',
   sm: 'max-w-sm',
@@ -51,7 +49,7 @@ interface IModal {
   skipFocus?: boolean,
   /** Title text for the modal. */
   title?: React.ReactNode,
-  width?: Widths,
+  width?: keyof typeof widths,
 }
 
 /** Displays a modal dialog box. */
diff --git a/app/soapbox/components/ui/stack/stack.tsx b/app/soapbox/components/ui/stack/stack.tsx
index 64257ecf9..b161d4949 100644
--- a/app/soapbox/components/ui/stack/stack.tsx
+++ b/app/soapbox/components/ui/stack/stack.tsx
@@ -1,13 +1,11 @@
 import classNames from 'clsx';
 import React from 'react';
 
-type SIZES = 0 | 0.5 | 1 | 1.5 | 2 | 3 | 4 | 5 | 10
-
 const spaces = {
   0: 'space-y-0',
-  '0.5': 'space-y-0.5',
+  [0.5]: 'space-y-0.5',
   1: 'space-y-1',
-  '1.5': 'space-y-1.5',
+  [1.5]: 'space-y-1.5',
   2: 'space-y-2',
   3: 'space-y-3',
   4: 'space-y-4',
@@ -25,15 +23,15 @@ const alignItemsOptions = {
 
 interface IStack extends React.HTMLAttributes<HTMLDivElement> {
   /** Size of the gap between elements. */
-  space?: SIZES,
+  space?: keyof typeof spaces
   /** Horizontal alignment of children. */
-  alignItems?: 'center',
+  alignItems?: 'center'
   /** Vertical alignment of children. */
-  justifyContent?: 'center',
+  justifyContent?: 'center'
   /** Extra class names on the <div> element. */
-  className?: string,
+  className?: string
   /** Whether to let the flexbox grow. */
-  grow?: boolean,
+  grow?: boolean
 }
 
 /** Vertical stack of child elements. */
diff --git a/app/soapbox/components/ui/text/text.tsx b/app/soapbox/components/ui/text/text.tsx
index 2e0736809..7669f3d2a 100644
--- a/app/soapbox/components/ui/text/text.tsx
+++ b/app/soapbox/components/ui/text/text.tsx
@@ -1,16 +1,6 @@
 import classNames from 'clsx';
 import React from 'react';
 
-type Themes = 'default' | 'danger' | 'primary' | 'muted' | 'subtle' | 'success' | 'inherit' | 'white'
-type Weights = 'normal' | 'medium' | 'semibold' | 'bold'
-export type Sizes = 'xs' | 'sm' | 'md' | 'lg' | 'xl' | '2xl' | '3xl'
-type Alignments = 'left' | 'center' | 'right'
-type TrackingSizes = 'normal' | 'wide'
-type TransformProperties = 'uppercase' | 'normal'
-type Families = 'sans' | 'mono'
-type Tags = 'abbr' | 'p' | 'span' | 'pre' | 'time' | 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'label'
-type Directions = 'ltr' | 'rtl'
-
 const themes = {
   default: 'text-gray-900 dark:text-gray-100',
   danger: 'text-danger-600',
@@ -60,15 +50,19 @@ const families = {
   mono: 'font-mono',
 };
 
+export type Sizes = keyof typeof sizes
+type Tags = 'abbr' | 'p' | 'span' | 'pre' | 'time' | 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'label'
+type Directions = 'ltr' | 'rtl'
+
 interface IText extends Pick<React.HTMLAttributes<HTMLParagraphElement>, 'dangerouslySetInnerHTML'> {
   /** How to align the text. */
-  align?: Alignments,
+  align?: keyof typeof alignments,
   /** Extra class names for the outer element. */
   className?: string,
   /** Text direction. */
   direction?: Directions,
   /** Typeface of the text. */
-  family?: Families,
+  family?: keyof typeof families,
   /** The "for" attribute specifies which form element a label is bound to. */
   htmlFor?: string,
   /** Font size of the text. */
@@ -76,15 +70,15 @@ interface IText extends Pick<React.HTMLAttributes<HTMLParagraphElement>, 'danger
   /** HTML element name of the outer element. */
   tag?: Tags,
   /** Theme for the text. */
-  theme?: Themes,
+  theme?: keyof typeof themes,
   /** Letter-spacing of the text. */
-  tracking?: TrackingSizes,
+  tracking?: keyof typeof trackingSizes,
   /** Transform (eg uppercase) for the text. */
-  transform?: TransformProperties,
+  transform?: keyof typeof transformProperties,
   /** Whether to truncate the text if its container is too small. */
   truncate?: boolean,
   /** Font weight of the text. */
-  weight?: Weights,
+  weight?: keyof typeof weights,
   /** Tooltip title. */
   title?: string,
 }