diff --git a/packages/web-kitchensink-reactnext/src/categories/blob/react/components/AudioFilePreview/index.tsx b/packages/web-kitchensink-reactnext/src/categories/blob/react/components/AudioFilePreview/index.tsx
index 126f556..987e2b2 100644
--- a/packages/web-kitchensink-reactnext/src/categories/blob/react/components/AudioFilePreview/index.tsx
+++ b/packages/web-kitchensink-reactnext/src/categories/blob/react/components/AudioFilePreview/index.tsx
@@ -6,11 +6,13 @@ import {
   formatSecondsDurationConcise,
   formatSecondsDurationPrecise,
 } from '@/utils/numeral';
+import theme from '@/styles/theme';
 import {useMediaControls} from '../../hooks/interactive';
 import {useAugmentedFile} from '@/categories/blob/react';
 
 import clsx from 'clsx';
 import {WaveSurferCanvas} from '@/packages/react-wavesurfer';
+import {Slider} from '@/categories/number/react';
 
 type AudioFilePreviewDerivedComponent = HTMLAudioElement;
 
@@ -99,53 +101,59 @@ export const AudioFilePreview = React.forwardRef<AudioFilePreviewDerivedComponen
                 </audio>
                 {visualizationMode === 'waveform' && (
                   <WaveSurferCanvas
-                    className="sm:absolute w-full sm:h-full top-0 left-0 block object-center object-contain flex-auto aspect-video sm:aspect-auto bg-[#000000]"
+                    className="sm:absolute w-full sm:h-full top-0 left-0 block object-center object-contain flex-auto aspect-video sm:aspect-auto bg-primary/10"
                     ref={mediaControllerRef}
                     data-testid="preview"
                     barWidth={1}
                     barGap={1}
-                    waveColor="rgb(199 138 179)"
-                    progressColor="rgb(255 153 0)"
+                    waveColor={`rgb(${theme.primary.split(' ').map((c) => Math.floor(Number(c) / 2)).join(' ')})`}
+                    progressColor={`rgb(${theme.primary})`}
                     interact
                   />
                 )}
                 <div className="flex gap-4 absolute top-0 right-0 z-[2] px-4">
                   <label
                     className={clsx(
-                      'h-12 flex text-primary disabled:text-primary focus:text-secondary active:text-tertiary items-center justify-center leading-none gap-4 select-none',
-                      'focus:outline-0',
-                      'disabled:opacity-50 disabled:cursor-not-allowed',
+                      'h-12 flex items-center justify-center leading-none gap-4 select-none',
                     )}
                   >
                     <input
                       type="radio"
                       name="visualizationMode"
                       value="waveform"
-                      className="sr-only"
+                      className="sr-only peer/waveform"
                       onChange={handleVisualizationModeChange}
                     />
                     <span
-                      className="block uppercase font-bold h-[1.1em] w-full whitespace-nowrap overflow-hidden text-ellipsis font-semi-expanded"
+                      className={clsx(
+                        'block uppercase font-bold h-[1.1em] w-full whitespace-nowrap overflow-hidden text-ellipsis font-semi-expanded text-primary',
+                        'peer-focus/waveform:text-secondary',
+                        'peer-active/waveform:text-tertiary',
+                        'peer-disabled/waveform:text-primary peer-disabled/waveform:cursor-not-allowed peer-disabled/waveform:opacity-50',
+                      )}
                     >
                       Waveform
                     </span>
                   </label>
                   <label
                     className={clsx(
-                      'h-12 flex text-primary disabled:text-primary focus:text-secondary active:text-tertiary items-center justify-center leading-none gap-4 select-none',
-                      'focus:outline-0',
-                      'disabled:opacity-50 disabled:cursor-not-allowed',
+                      'h-12 flex items-center justify-center leading-none gap-4 select-none',
                     )}
                   >
                     <input
                       type="radio"
                       name="visualizationMode"
                       value="spectrum"
-                      className="sr-only"
+                      className="sr-only peer/waveform"
                       onChange={handleVisualizationModeChange}
                     />
                     <span
-                      className="block uppercase font-bold h-[1.1em] w-full whitespace-nowrap overflow-hidden text-ellipsis font-semi-expanded"
+                      className={clsx(
+                        'block uppercase font-bold h-[1.1em] w-full whitespace-nowrap overflow-hidden text-ellipsis font-semi-expanded text-primary',
+                        'peer-focus/waveform:text-secondary',
+                        'peer-active/waveform:text-tertiary',
+                        'peer-disabled/waveform:text-primary peer-disabled/waveform:cursor-not-allowed peer-disabled/waveform:opacity-50',
+                      )}
                     >
                       Spectrum
                     </span>
@@ -153,19 +161,59 @@ export const AudioFilePreview = React.forwardRef<AudioFilePreviewDerivedComponen
                 </div>
               </div>
               {enhanced && (
-                <div className="w-full flex-shrink-0 h-10 flex gap-4 relative">
+                <div className="w-full flex-shrink-0 h-10 flex gap-4 items-center">
                   <button
-                    className="w-10 h-full flex-shrink-0 text-primary"
+                    className={clsx(
+                      'w-10 h-full flex-shrink-0 text-primary flex items-center justify-center',
+                      'focus:text-secondary focus:outline-0',
+                      'active:text-tertiary',
+                      'disabled:text-primary disabled:cursor-not-allowed disabled:opacity-50',
+                    )}
                     type="submit"
                     name="action"
                     value="togglePlayback"
                     form={formId}
                   >
-                    {isPlaying ? '⏸' : '▶'}
+                    {
+                      isPlaying
+                        ? (
+                          <svg
+                            aria-label="Pause"
+                            viewBox="0 0 24 24"
+                            className="w-6 h-6 fill-none stroke-current stroke-2"
+                            strokeLinecap="round"
+                            strokeLinejoin="round"
+                          >
+                            <rect
+                              x="6"
+                              y="4"
+                              width="4"
+                              height="16"
+                            />
+                            <rect
+                              x="14"
+                              y="4"
+                              width="4"
+                              height="16"
+                            />
+                          </svg>
+                        )
+                        : (
+                          <svg
+                            aria-label="Play"
+                            viewBox="0 0 24 24"
+                            className="w-6 h-6 fill-none stroke-current stroke-2"
+                            strokeLinecap="round"
+                            strokeLinejoin="round"
+                          >
+                            <polygon points="5 3 19 12 5 21 5 3" />
+                          </svg>
+                        )
+                    }
                   </button>
                   <div className="flex-auto w-full flex items-center gap-2 text-sm relative">
                     <button
-                      className="absolute overflow-hidden w-12 opacity-0 h-10"
+                      className="absolute overflow-hidden w-12 opacity-0 h-10 peer/seek"
                       title="Toggle Seek Time Count Mode"
                       type="submit"
                       name="action"
@@ -174,8 +222,13 @@ export const AudioFilePreview = React.forwardRef<AudioFilePreviewDerivedComponen
                     >
                       Toggle Seek Time Count Mode
                     </button>
-                    <span
-                      className="before:block before:content-[attr(title)] contents tabular-nums"
+                    <div
+                      className={clsx(
+                        'before:block before:content-[attr(title)] contents tabular-nums flex-auto text-primary font-bold',
+                        'peer-focus/seek:text-secondary peer-focus/seek:outline-0',
+                        'peer-active/seek:text-tertiary',
+                        'peer-disabled/seek:text-primary \'peer-disabled/seek:cursor-not-allowed \'peer-disabled/seek:opacity-50'
+                      )}
                       title={
                         `${
                           isSeekTimeCountingDown ? '−' : '+'
@@ -186,9 +239,8 @@ export const AudioFilePreview = React.forwardRef<AudioFilePreviewDerivedComponen
                         }`
                       }
                     >
-                      <input
-                        type="range"
-                        className="flex-auto w-full tabular-nums"
+                      <Slider
+                        className="w-full bg-negative text-base"
                         ref={seekRef}
                         onMouseDown={startSeek}
                         onMouseUp={endSeek}
@@ -196,13 +248,12 @@ export const AudioFilePreview = React.forwardRef<AudioFilePreviewDerivedComponen
                         defaultValue="0"
                         step="any"
                       />
-                    </span>
-                    <span>
+                    </div>
+                    <span className="tabular-nums font-bold">
                       {formatSecondsDurationConcise(durationDisplay)}
                     </span>
                   </div>
-                  <input
-                    type="range"
+                  <Slider
                     ref={volumeRef}
                     max={1}
                     min={0}
diff --git a/packages/web-kitchensink-reactnext/src/categories/blob/react/components/VideoFilePreview/index.tsx b/packages/web-kitchensink-reactnext/src/categories/blob/react/components/VideoFilePreview/index.tsx
index 42d4e5d..31c1e72 100644
--- a/packages/web-kitchensink-reactnext/src/categories/blob/react/components/VideoFilePreview/index.tsx
+++ b/packages/web-kitchensink-reactnext/src/categories/blob/react/components/VideoFilePreview/index.tsx
@@ -3,6 +3,7 @@ import {augmentVideoFile, getMimeTypeDescription} from '@/utils/blob';
 import {formatFileSize, formatNumeral, formatSecondsDurationConcise} from '@/utils/numeral';
 import {useAugmentedFile, useMediaControls} from '@tesseract-design/web-blob-react';
 import clsx from 'clsx';
+import {Slider} from '@tesseract-design/web-number-react';
 
 type VideoFilePreviewDerivedComponent = HTMLVideoElement;
 
@@ -72,37 +73,91 @@ export const VideoFilePreview = React.forwardRef<VideoFilePreviewDerivedComponen
               data-testid="preview"
             >
               <div className="w-full flex-auto relative">
-              <video
-                {...etcProps}
-                className="sm:absolute w-full sm:h-full top-0 left-0 block object-center object-contain flex-auto aspect-video sm:aspect-auto bg-[#000000]"
-                ref={mediaControllerRef}
-                onLoadedMetadata={refreshControls}
-                onDurationChange={refreshControls}
-                onEnded={reset}
-                onTimeUpdate={updateSeekFromPlayback}
-                data-testid="preview"
-                controls={!enhanced}
-              >
-                <source
-                  src={augmentedFile.metadata.previewUrl}
-                  type={augmentedFile.type}
-                />
-              </video>
+                <video
+                  {...etcProps}
+                  className="sm:absolute w-full sm:h-full top-0 left-0 block object-center object-contain flex-auto aspect-video sm:aspect-auto bg-primary/10"
+                  ref={mediaControllerRef}
+                  onLoadedMetadata={refreshControls}
+                  onDurationChange={refreshControls}
+                  onEnded={reset}
+                  onTimeUpdate={updateSeekFromPlayback}
+                  data-testid="preview"
+                  controls={!enhanced}
+                >
+                  <source
+                    src={augmentedFile.metadata.previewUrl}
+                    type={augmentedFile.type}
+                  />
+                </video>
+                <button
+                  className="absolute w-full h-full top-0 left-0"
+                  type="submit"
+                  name="action"
+                  value="togglePlayback"
+                  form={formId}
+                  tabIndex={-1}
+                >
+                  <span className="sr-only">
+                    {isPlaying ? 'Pause' : 'Play'}
+                  </span>
+                </button>
               </div>
               {enhanced && (
-                <div className="w-full flex-shrink-0 h-10 flex gap-4">
+                <div className="w-full flex-shrink-0 h-10 flex gap-4 items-center">
                   <button
-                    className="w-10 h-full flex-shrink-0 text-primary"
+                    className={
+                      clsx(
+                        'w-10 h-full flex-shrink-0 text-primary flex items-center justify-center',
+                        'focus:text-secondary focus:outline-0',
+                        'active:text-tertiary',
+                        'disabled:text-primary disabled:cursor-not-allowed disabled:opacity-50'
+                      )
+                    }
                     type="submit"
                     name="action"
                     value="togglePlayback"
                     form={formId}
                   >
-                    {isPlaying ? '⏸' : '▶'}
+                    {
+                      isPlaying
+                        ? (
+                          <svg
+                            aria-label="Pause"
+                            viewBox="0 0 24 24"
+                            className="w-6 h-6 fill-none stroke-current stroke-2"
+                            strokeLinecap="round"
+                            strokeLinejoin="round"
+                          >
+                            <rect
+                              x="6"
+                              y="4"
+                              width="4"
+                              height="16"
+                            />
+                            <rect
+                              x="14"
+                              y="4"
+                              width="4"
+                              height="16"
+                            />
+                          </svg>
+                        )
+                        : (
+                          <svg
+                            aria-label="Play"
+                            viewBox="0 0 24 24"
+                            className="w-6 h-6 fill-none stroke-current stroke-2"
+                            strokeLinecap="round"
+                            strokeLinejoin="round"
+                          >
+                            <polygon points="5 3 19 12 5 21 5 3" />
+                          </svg>
+                        )
+                    }
                   </button>
                   <div className="flex-auto w-full flex items-center gap-2 text-sm relative">
                     <button
-                      className="absolute overflow-hidden w-12 opacity-0 h-10"
+                      className="absolute overflow-hidden w-12 opacity-0 h-10 peer/seek"
                       title="Toggle Seek Time Count Mode"
                       type="submit"
                       name="action"
@@ -111,8 +166,13 @@ export const VideoFilePreview = React.forwardRef<VideoFilePreviewDerivedComponen
                     >
                       Toggle Seek Time Count Mode
                     </button>
-                    <span
-                      className="before:block before:content-[attr(title)] contents tabular-nums"
+                    <div
+                      className={clsx(
+                        'before:block before:content-[attr(title)] contents tabular-nums flex-auto text-primary font-bold',
+                        'peer-focus/seek:text-secondary peer-focus/seek:outline-0',
+                        'peer-active/seek:text-tertiary',
+                        'peer-disabled/seek:text-primary \'peer-disabled/seek:cursor-not-allowed \'peer-disabled/seek:opacity-50'
+                      )}
                       title={
                         `${
                           isSeekTimeCountingDown ? '−' : '+'
@@ -123,9 +183,8 @@ export const VideoFilePreview = React.forwardRef<VideoFilePreviewDerivedComponen
                         }`
                       }
                     >
-                      <input
-                        type="range"
-                        className="flex-auto w-full tabular-nums"
+                      <Slider
+                        className="w-full bg-negative text-base"
                         ref={seekRef}
                         onMouseDown={startSeek}
                         onMouseUp={endSeek}
@@ -133,13 +192,12 @@ export const VideoFilePreview = React.forwardRef<VideoFilePreviewDerivedComponen
                         defaultValue="0"
                         step="any"
                       />
+                    </div>
+                    <span className="tabular-nums font-bold">
+                      {formatSecondsDurationConcise(durationDisplay)}
                     </span>
-                    <span>
-                    {formatSecondsDurationConcise(durationDisplay)}
-                  </span>
                   </div>
-                  <input
-                    type="range"
+                  <Slider
                     ref={volumeRef}
                     max={1}
                     min={0}
diff --git a/packages/web-kitchensink-reactnext/src/categories/number/react/components/Slider/index.tsx b/packages/web-kitchensink-reactnext/src/categories/number/react/components/Slider/index.tsx
new file mode 100644
index 0000000..991fe78
--- /dev/null
+++ b/packages/web-kitchensink-reactnext/src/categories/number/react/components/Slider/index.tsx
@@ -0,0 +1,36 @@
+import * as React from 'react';
+import clsx from 'clsx';
+
+type SliderDerivedComponent = HTMLInputElement;
+
+export interface SliderProps extends Omit<React.HTMLProps<HTMLInputElement>, 'type'> {
+
+}
+
+export const Slider = React.forwardRef<SliderDerivedComponent, SliderProps>(({
+  className,
+  style,
+  ...etcProps
+}, forwardedRef) => {
+  return (
+    <div
+      className={clsx(
+        className,
+      )}
+      style={style}
+    >
+      <input
+        {...etcProps}
+        ref={forwardedRef}
+        type="range"
+        className={clsx(
+          'w-full h-full bg-inherit slider block text-primary ring-secondary/50',
+          'focus:text-secondary focus:outline-0 focus:ring-4',
+          'active:text-tertiary active:ring-tertiary/50',
+        )}
+      />
+    </div>
+  )
+});
+
+Slider.displayName = 'Slider';
diff --git a/packages/web-kitchensink-reactnext/src/categories/number/react/index.ts b/packages/web-kitchensink-reactnext/src/categories/number/react/index.ts
new file mode 100644
index 0000000..629b8f6
--- /dev/null
+++ b/packages/web-kitchensink-reactnext/src/categories/number/react/index.ts
@@ -0,0 +1 @@
+export * from './components/Slider';
diff --git a/packages/web-kitchensink-reactnext/src/pages/_document.tsx b/packages/web-kitchensink-reactnext/src/pages/_document.tsx
index d591014..d4a4cb5 100644
--- a/packages/web-kitchensink-reactnext/src/pages/_document.tsx
+++ b/packages/web-kitchensink-reactnext/src/pages/_document.tsx
@@ -1,9 +1,14 @@
 import { Html, Head, Main, NextScript } from 'next/document'
+import theme from '@/styles/theme'
 
 export default function Document() {
   return (
     <Html lang="en" className="bg-negative text-positive">
-      <Head />
+      <Head>
+        <style>
+          {`:root{${Object.entries(theme).map(([key, value]) => `--color-${key}: ${value};`).join('')}}`}
+        </style>
+      </Head>
       <body>
         <Main />
         <NextScript />
diff --git a/packages/web-kitchensink-reactnext/src/styles/globals.css b/packages/web-kitchensink-reactnext/src/styles/globals.css
index ea86b59..31d612f 100644
--- a/packages/web-kitchensink-reactnext/src/styles/globals.css
+++ b/packages/web-kitchensink-reactnext/src/styles/globals.css
@@ -1,41 +1,72 @@
 @tailwind base;
 @tailwind utilities;
 
-@layer base {
-  :root {
-    --color-shade: 0 0 0;
-    --color-negative: 34 34 34;
-    --color-positive: 238 238 238;
-    --color-primary: 199 138 179;
-    --color-secondary: 255 153 0;
-    --color-tertiary: 215 95 75;
-    --color-code-number: 116 249 94;
-    --color-code-keyword: 255 67 137;
-    --color-code-type: 80 151 210;
-    --color-code-instance-attribute: 118 167 210;
-    --color-code-function: 103 194 82;
-    --color-code-parameter: 145 94 194;
-    --color-code-property: 255 161 201;
-    --color-code-string: 238 211 113;
-    --color-code-variable: 139 194 117;
-    --color-code-regexp: 116 167 43;
-    --color-code-url: 0 153 204;
-    --color-code-global: 194 128 80;
+@layer utilities {
+  .font-condensed {
+    font-stretch: condensed;
   }
+
+  .font-semi-condensed {
+    font-stretch: semi-condensed;
+  }
+
+  .font-expanded {
+    font-stretch: expanded;
+  }
+
+  .font-semi-expanded {
+    font-stretch: semi-expanded;
+  }
+}
+
+.slider {
+  @apply rounded-full;
+  appearance: none;
+  cursor: pointer;
+  position: relative;
+  overflow: hidden;
+  height: 1em;
+  color: rgb(var(--color-primary));
+}
+
+.slider::before {
+  @apply rounded-full;
+  content: '';
+  display: block;
+  position: absolute;
+  background-color: currentColor;
+  opacity: 0.5;
+  width: 100%;
+  height: 50%;
+  top: 25%;
+}
+
+.slider::-webkit-slider-container {
+  height: 100%;
+  overflow: hidden;
+  box-sizing: border-box;
 }
 
-.font-condensed {
-  font-stretch: condensed;
+.slider::-webkit-slider-runnable-track {
+  appearance: none;
+  height: 100%;
 }
 
-.font-semi-condensed {
-  font-stretch: semi-condensed;
+.slider::-webkit-slider-thumb {
+  @apply rounded-full;
+  background-color: currentColor;
+  appearance: none;
+  height: 100%;
+  aspect-ratio: 1 / 1;
+  z-index: 1;
+  position: relative;
+  box-shadow: -100000.5em 0 0 100000em rgb(var(--color-primary) / 50%);
 }
 
-.font-expanded {
-  font-stretch: expanded;
+.slider:focus::-webkit-slider-thumb {
+  box-shadow: -100000.5em 0 0 100000em rgb(var(--color-secondary) / 50%);
 }
 
-.font-semi-expanded {
-  font-stretch: semi-expanded;
+.slider:active::-webkit-slider-thumb {
+  box-shadow: -100000.5em 0 0 100000em rgb(var(--color-tertiary) / 50%);
 }
diff --git a/packages/web-kitchensink-reactnext/src/styles/theme.ts b/packages/web-kitchensink-reactnext/src/styles/theme.ts
new file mode 100644
index 0000000..243f6b9
--- /dev/null
+++ b/packages/web-kitchensink-reactnext/src/styles/theme.ts
@@ -0,0 +1,22 @@
+const theme = {
+  "shade": "0 0 0",
+  "negative": "34 34 34",
+  "positive": "238 238 238",
+  "primary": "199 138 179",
+  "secondary": "255 153 0",
+  "tertiary": "215 95 75",
+  "code-number": "116 249 94",
+  "code-keyword": "255 67 137",
+  "code-type": "80 151 210",
+  "code-instance-attribute": "118 167 210",
+  "code-function": "103 194 82",
+  "code-parameter": "145 94 194",
+  "code-property": "255 161 201",
+  "code-string": "238 211 113",
+  "code-variable": "139 194 117",
+  "code-regexp": "116 167 43",
+  "code-url": "0 153 204",
+  "code-global": "194 128 80"
+} as const;
+
+export default theme;
diff --git a/packages/web-kitchensink-reactnext/tailwind.config.js b/packages/web-kitchensink-reactnext/tailwind.config.js
index 36cb3cd..0fa61ff 100644
--- a/packages/web-kitchensink-reactnext/tailwind.config.js
+++ b/packages/web-kitchensink-reactnext/tailwind.config.js
@@ -1,3 +1,5 @@
+const defaultTheme = require('tailwindcss/defaultTheme')
+
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: [
@@ -7,7 +9,8 @@ module.exports = {
   ],
   theme: {
     fontFamily: {
-      sans: ['Encode Sans Semi Expanded', 'Encode Sans', 'sans-serif'],
+      sans: ['Encode Sans', ...defaultTheme.fontFamily.sans],
+      mono: ['MonoLisa', 'mononoki', ...defaultTheme.fontFamily.mono],
     },
     colors: {
       'shade': 'rgb(var(--color-shade))',
diff --git a/packages/web-kitchensink-reactnext/tsconfig.json b/packages/web-kitchensink-reactnext/tsconfig.json
index 7a58ff1..0824439 100644
--- a/packages/web-kitchensink-reactnext/tsconfig.json
+++ b/packages/web-kitchensink-reactnext/tsconfig.json
@@ -16,6 +16,7 @@
     "incremental": true,
     "paths": {
       "@/*": ["./src/*"],
+      "tailwind.config": ["./tailwind.config.js"],
       "@tesseract-design/web-base-button": ["./src/base/button"],
       "@tesseract-design/web-base-selectcontrol": ["./src/base/selectcontrol"],
       "@tesseract-design/web-base-textcontrol": ["./src/base/textcontrol"],
@@ -24,6 +25,7 @@
       "@tesseract-design/web-freeform-react": ["./src/categories/freeform/react"],
       "@tesseract-design/web-information-react": ["./src/categories/information/react"],
       "@tesseract-design/web-option-react": ["./src/categories/option/react"],
+      "@tesseract-design/web-number-react": ["./src/categories/number/react"],
       "@tesseract-design/web-navigation-react": ["./src/categories/navigation/react"],
     }
   },