diff --git a/common/changes/office-ui-fabric-react/Spinner_2018-03-19-21-45.json b/common/changes/office-ui-fabric-react/Spinner_2018-03-19-21-45.json
new file mode 100644
index 00000000000000..9a2b005c1a7fa6
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/Spinner_2018-03-19-21-45.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "Javascript styling for Spinner",
+      "type": "minor"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "adrum@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.base.tsx b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.base.tsx
new file mode 100644
index 00000000000000..3e32f6e5dfa8c7
--- /dev/null
+++ b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.base.tsx
@@ -0,0 +1,67 @@
+import * as React from 'react';
+import { ISpinnerProps, ISpinnerStyleProps, ISpinnerStyles, SpinnerType, SpinnerSize } from './Spinner.types';
+import {
+  BaseComponent,
+  customizable,
+  classNamesFunction,
+  DelayedRender,
+  getNativeProps,
+  divProperties
+} from '../../Utilities';
+
+const getClassNames = classNamesFunction<ISpinnerStyleProps, ISpinnerStyles>();
+
+@customizable('Spinner', ['theme'])
+export class SpinnerBase extends BaseComponent<ISpinnerProps, any> {
+
+  public static defaultProps: ISpinnerProps = {
+    size: SpinnerSize.medium,
+    ariaLive: 'polite'
+  };
+
+  public render() {
+    const {
+      type,
+      size,
+      ariaLabel,
+      ariaLive,
+      getStyles,
+      label,
+      theme,
+      className
+    } = this.props;
+    const statusMessage = ariaLabel || label;
+    const nativeProps = getNativeProps(this.props, divProperties, ['size']);
+
+    // SpinnerType is deprecated. If someone is still using this property, rather than putting the SpinnerType into the ISpinnerStyleProps,
+    // we'll map SpinnerType to its equivalent SpinnerSize and pass that in. Once SpinnerType finally goes away we should delete this.
+    let styleSize = size;
+    if (styleSize === undefined && type !== undefined) {
+      styleSize = type === SpinnerType.large ? SpinnerSize.large : SpinnerSize.medium;
+    }
+
+    const classNames = getClassNames(getStyles!, {
+      theme: theme!,
+      size: styleSize,
+      className
+    });
+
+    return (
+      <div { ...nativeProps } className={ classNames.root }>
+        <div className={ classNames.circle } />
+        {
+          label && <div className={ classNames.label }>{ label }</div>
+        }
+        {
+          statusMessage &&
+          <div role='status' aria-live={ ariaLive }>
+            <DelayedRender>
+              <div className={ classNames.screenReaderText }>{ statusMessage }</div>
+            </DelayedRender>
+          </div>
+        }
+      </div>
+    );
+  }
+
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.scss b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.scss
deleted file mode 100644
index e5a2b7581fd87c..00000000000000
--- a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.scss
+++ /dev/null
@@ -1,68 +0,0 @@
-@import '../../common/common';
-
-// Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE in the project root for license information.
-
-//
-// Office UI Fabric
-// --------------------------------------------------
-// Spinner styles
-
-$spin-duration: 1.3s;
-$borderSize: 1.5px;
-
-@keyframes spinAnimation {
-  0% {
-    transform: rotateZ(0deg);
-  }
-  100% {
-    transform: rotateZ(360deg);
-  }
-}
-
-.root {
-  > .circle {
-    margin: auto;
-    box-sizing: border-box;
-    border-radius: 50%;
-    width: 100%;
-    height: 100%;
-    border: $borderSize solid $ms-color-themeLight;
-    border-top-color: $ms-color-themePrimary;
-    animation: spinAnimation $spin-duration infinite cubic-bezier(.53,.21,.29,.67);
-    &.circleIsXSmall {
-      width: 12px;
-      height: 12px;
-    }
-    &.circleIsSmall {
-      width: 16px;
-      height: 16px;
-    }
-    &.circleIsTypeMedium,
-    &.circleIsMedium {
-      width: 20px;
-      height: 20px;
-    }
-    &.circleIsTypeLarge,
-    &.circleIsLarge {
-      width: 28px;
-      height: 28px;
-    }
-  }
-  .label {
-      color: $ms-color-themePrimary;
-      margin-top: 10px;
-      text-align: center;
-  }
-
-  .screenReaderOnly {
-    @include ms-screenReaderOnly;
-  }
-}
-
-@include high-contrast {
-  .root {
-    > .circle {
-        border-top-color: Highlight;
-    }
-  }
-}
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.styles.tsx b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.styles.tsx
new file mode 100644
index 00000000000000..7a3474e498d411
--- /dev/null
+++ b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.styles.tsx
@@ -0,0 +1,81 @@
+import { ISpinnerStyleProps, ISpinnerStyles, SpinnerSize, SpinnerType } from './Spinner.types';
+import { IRawStyle, hiddenContentStyle, keyframes, HighContrastSelector } from '../../Styling';
+
+const spinAnimation: string = keyframes({
+  '0%': {
+    transform: 'rotateZ(0deg)'
+  },
+  '100%': {
+    transform: 'rotateZ(360deg)'
+  }
+});
+
+export const getStyles = (props: ISpinnerStyleProps): ISpinnerStyles => {
+  const { theme, size, className } = props;
+  const { palette } = theme;
+
+  return {
+    root: [
+      'ms-Spinner',
+      className
+    ],
+    circle: [
+      'ms-Spinner-circle',
+      {
+        margin: 'auto',
+        boxSizing: 'border-box',
+        borderRadius: '50%',
+        width: '100%',
+        height: '100%',
+        border: '1.5px solid ' + palette.themeLight,
+        borderTopColor: palette.themePrimary,
+        animationName: spinAnimation,
+        animationDuration: '1.3s',
+        animationIterationCount: 'infinite',
+        animationTimingFunction: 'cubic-bezier(.53,.21,.29,.67)',
+        selectors: {
+          [HighContrastSelector]: {
+            borderTopColor: 'Highlight'
+          }
+        },
+      },
+      size === SpinnerSize.xSmall && [
+        'ms-Spinner--xSmall',
+        {
+          width: 12,
+          height: 12
+        }
+      ],
+      size === SpinnerSize.small && [
+        'ms-Spinner--small',
+        {
+          width: 16,
+          height: 16
+        }
+      ],
+      size === SpinnerSize.medium && [
+        'ms-Spinner--medium',
+        {
+          width: 20,
+          height: 20
+        }
+      ],
+      size === SpinnerSize.large && [
+        'ms-Spinner--large',
+        {
+          width: 28,
+          height: 28
+        }
+      ]
+    ],
+    label: [
+      'ms-Spinner-label',
+      {
+        color: palette.themePrimary,
+        marginTop: 10,
+        textAlign: 'center'
+      }
+    ],
+    screenReaderText: hiddenContentStyle
+  };
+};
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.tsx b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.tsx
index 292534cd0efb53..8061900cebccc2 100644
--- a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.tsx
+++ b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.tsx
@@ -1,45 +1,9 @@
-import * as React from 'react';
-import { BaseComponent, css, DelayedRender } from '../../Utilities';
-import { ISpinnerProps, SpinnerType, SpinnerSize } from './Spinner.types';
-import * as stylesImport from './Spinner.scss';
-const styles: any = stylesImport;
+import { styled } from '../../Utilities';
+import { SpinnerBase } from './Spinner.base';
+import { ISpinnerProps } from './Spinner.types';
+import { getStyles } from './Spinner.styles';
 
-export class Spinner extends BaseComponent<ISpinnerProps, any> {
-  public static defaultProps: ISpinnerProps = {
-    size: SpinnerSize.medium,
-    ariaLive: 'polite'
-  };
-
-  public render() {
-    const { type, size, label, className, ariaLive, ariaLabel } = this.props; // TODO remove deprecated type property at >= 2.0.0
-    const statusMessage = ariaLabel || label;
-
-    return (
-      <div className={ css('ms-Spinner', styles.root, className) }>
-        <div
-          className={ css('ms-Spinner-circle', styles.circle,
-            {
-              ['ms-Spinner--xSmall ' + styles.circleIsXSmall]: size === SpinnerSize.xSmall,
-              ['ms-Spinner--small ' + styles.circleIsSmall]: size === SpinnerSize.small,
-              ['ms-Spinner--medium ' + styles.circleIsMedium]: size === SpinnerSize.medium,
-              ['ms-Spinner--large ' + styles.circleIsLarge]: size === SpinnerSize.large,
-              ['ms-Spinner--normal ' + styles.circleIsTypeMedium]: type === SpinnerType.normal, // TODO remove deprecated value at >= 2.0.0
-              ['ms-Spinner--large ' + styles.circleIsTypeLarge]: type === SpinnerType.large // TODO remove deprecated value at >= 2.0.0
-            })
-          }
-        />
-        {
-          label && <div className={ css('ms-Spinner-label', styles.label) }>{ label }</div>
-        }
-        {
-          statusMessage &&
-          <div role='status' aria-live={ ariaLive }>
-            <DelayedRender>
-              <div className={ styles.screenReaderOnly }>{ statusMessage }</div>
-            </DelayedRender>
-          </div>
-        }
-      </div>
-    );
-  }
-}
\ No newline at end of file
+export const Spinner = styled(
+  SpinnerBase,
+  getStyles
+);
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.types.ts b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.types.ts
index 998e7a387f2478..a0ed502efd8919 100644
--- a/packages/office-ui-fabric-react/src/components/Spinner/Spinner.types.ts
+++ b/packages/office-ui-fabric-react/src/components/Spinner/Spinner.types.ts
@@ -1,11 +1,13 @@
 import * as React from 'react';
 import { Spinner } from './Spinner';
+import { ITheme, IStyle, IRawStyle } from '../../Styling';
+import { IStyleFunction } from '../../Utilities';
 
 export interface ISpinner {
 
 }
 
-export interface ISpinnerProps extends React.Props<Spinner> {
+export interface ISpinnerProps extends React.HTMLAttributes<HTMLElement> {
   /**
    * Optional callback to access the ISpinner interface. Use this instead of ref for accessing
    * the public methods and properties of the component.
@@ -45,6 +47,16 @@ export interface ISpinnerProps extends React.Props<Spinner> {
    * Alternative status label for screen reader
    */
   ariaLabel?: string;
+
+  /**
+   * Theme (provided through customization.)
+   */
+  theme?: ITheme;
+
+  /**
+   * Call to provide customized styling that will layer on top of the variant rules.
+   */
+  getStyles?: IStyleFunction<ISpinnerStyleProps, ISpinnerStyles>;
 }
 
 export enum SpinnerSize {
@@ -84,3 +96,16 @@ export enum SpinnerType {
    */
   large = 1
 }
+
+export interface ISpinnerStyleProps {
+  theme: ITheme;
+  size?: SpinnerSize;
+  className?: string;
+}
+
+export interface ISpinnerStyles {
+  root?: IStyle;
+  circle?: IStyle;
+  label?: IStyle;
+  screenReaderText?: IStyle;
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Spinner/examples/Spinner.Basic.Example.scss b/packages/office-ui-fabric-react/src/components/Spinner/examples/Spinner.Basic.Example.scss
index fe6296704b7f14..46ec5fc996a2c6 100644
--- a/packages/office-ui-fabric-react/src/components/Spinner/examples/Spinner.Basic.Example.scss
+++ b/packages/office-ui-fabric-react/src/components/Spinner/examples/Spinner.Basic.Example.scss
@@ -1,6 +1,6 @@
 :global {
-  .ms-BasicSpinnersExample .ms-Spinner {
-    display: inline-block;
+  .ms-BasicSpinnersExample {
     margin: 10px 0;
+    width: 300px;
   }
 }