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Use document themes in your PowerPoint add-ins

  • Artikkeli

An Office theme consists, in part, of a visually coordinated set of fonts and colors that you can apply to presentations, documents, worksheets, and emails. To apply or customize the theme of a presentation in PowerPoint, you use the Themes and Variants groups on Design tab of the ribbon. PowerPoint assigns a new blank presentation with the default Office Theme, but you can choose other themes available on the Design tab, download additional themes from Office.com, or create and customize your own theme.

Using OfficeThemes.css, design add-ins that are coordinated with PowerPoint in two ways.

  • In content add-ins for PowerPoint. Use the document theme classes of OfficeThemes.css to specify fonts and colors that match the theme of the presentation your content add-in is inserted into - and those fonts and colors will dynamically update if a user changes or customizes the presentation's theme.

  • In task pane add-ins for PowerPoint. Use the Office UI theme classes of OfficeThemes.css to specify the same fonts and background colors used in the UI so that your task pane add-ins will match the colors of built-in task panes - and those colors will dynamically update if a user changes the Office UI theme.

Document theme colors

Every Office document theme defines 12 colors. Ten of these colors are available when you set font, background, and other color settings in a presentation with the color picker.

Color palette.

To view or customize the full set of 12 theme colors in PowerPoint, in the Variants group on the Design tab, click the More drop-down - then select Colors > Customize Colors to display the Create New Theme Colors dialog box.

Create new theme colors dialog box.

The first four colors are for text and backgrounds. Text that is created with the light colors will always be legible over the dark colors, and text that is created with dark colors will always be legible over the light colors. The next six are accent colors that are always visible over the four potential background colors. The last two colors are for hyperlinks and followed hyperlinks.

Document theme fonts

Every Office document theme also defines two fonts -- one for headings and one for body text. PowerPoint uses these fonts to construct automatic text styles. In addition, Quick Styles galleries for text and WordArt use these same theme fonts. These two fonts are available as the first two selections when you select fonts with the font picker.

The font picker.

To view or customize theme fonts in PowerPoint, in the Variants group on the Design tab, click the More drop-down - then select Fonts > Customize Fonts to display the Create New Theme Fonts dialog box.

Create new theme fonts dialog box.

Office UI theme fonts and colors

Office also lets you choose between several predefined themes that specify some of the colors and fonts used in the UI of all Office applications. To do that, you use the File > Account > Office Theme drop-down (from any Office application).

Office theme drop-down.

OfficeThemes.css includes classes that you can use in your task pane add-ins for PowerPoint so they will use these same fonts and colors. This lets you design your task pane add-ins that match the appearance of built-in task panes.

Use OfficeThemes.css

Using the OfficeThemes.css file with your content add-ins for PowerPoint lets you coordinate the appearance of your add-in with the theme applied to the presentation it's running with. Using the OfficeThemes.css file with your task pane add-ins for PowerPoint lets you coordinate the appearance of your add-in with the fonts and colors of the Office UI.

Add the OfficeThemes.css file to your project

Use the following steps to add and reference the OfficeThemes.css file to your add-in project.

Note

The steps in this procedure only apply to Visual Studio 2015. If you are using Visual Studio 2019, the OfficeThemes.css file is created automatically for any new PowerPoint add-in projects that you create.

  1. In Solution Explorer, right-click (or select and hold) the Content folder in the project_nameWeb project, choose Add, and then select Style Sheet.

  2. Name the new style sheet OfficeThemes.

    Important

    The style sheet must be named OfficeThemes, or the feature that dynamically updates add-in fonts and colors when a user changes the theme won't work.

  3. Delete the default body class (body {}) in the file, and copy and paste the following CSS code into the file.

    /* The following classes describe the common theme information for office documents */ 

/* Basic Font and Background Colors for text */ 
.office-docTheme-primary-fontColor { color:#000000; } 
.office-docTheme-primary-bgColor { background-color:#ffffff; } 
.office-docTheme-secondary-fontColor { color: #000000; } 
.office-docTheme-secondary-bgColor { background-color: #ffffff; } 

/* Accent color definitions for fonts */ 
.office-contentAccent1-color { color:#5b9bd5; } 
.office-contentAccent2-color { color:#ed7d31; } 
.office-contentAccent3-color { color:#a5a5a5; } 
.office-contentAccent4-color { color:#ffc000; } 
.office-contentAccent5-color { color:#4472c4; } 
.office-contentAccent6-color { color:#70ad47; } 

/* Accent color for backgrounds */ 
.office-contentAccent1-bgColor { background-color:#5b9bd5; } 
.office-contentAccent2-bgColor { background-color:#ed7d31; } 
.office-contentAccent3-bgColor { background-color:#a5a5a5; } 
.office-contentAccent4-bgColor { background-color:#ffc000; } 
.office-contentAccent5-bgColor { background-color:#4472c4; } 
.office-contentAccent6-bgColor { background-color:#70ad47; } 

/* Accent color for borders */ 
.office-contentAccent1-borderColor { border-color:#5b9bd5; } 
.office-contentAccent2-borderColor { border-color:#ed7d31; } 
.office-contentAccent3-borderColor { border-color:#a5a5a5; } 
.office-contentAccent4-borderColor { border-color:#ffc000; } 
.office-contentAccent5-borderColor { border-color:#4472c4; } 
.office-contentAccent6-borderColor { border-color:#70ad47; } 

/* links */ 
.office-a { color: #0563c1; } 
.office-a:visited { color: #954f72; } 

/* Body Fonts */ 
.office-bodyFont-eastAsian { } /* East Asian name of the Font */ 
.office-bodyFont-latin { font-family:"Calibri"; } /* Latin name of the Font */ 
.office-bodyFont-script { } /* Script name of the Font */ 
.office-bodyFont-localized { font-family:"Calibri"; } /* Localized name of the Font. Corresponds to the default font of the culture currently used in Office.*/ 

/* Headers Font */ 
.office-headerFont-eastAsian { } 
.office-headerFont-latin { font-family:"Calibri Light"; } 
.office-headerFont-script { } 
.office-headerFont-localized { font-family:"Calibri Light"; } 

/* The following classes define font and background colors for Office UI themes. These classes should only be used in task pane add-ins */ 

/* Basic Font and Background Colors for PPT */ 
.office-officeTheme-primary-fontColor { color:#b83b1d; } 
.office-officeTheme-primary-bgColor { background-color:#dedede; } 
.office-officeTheme-secondary-fontColor { color:#262626; } 
.office-officeTheme-secondary-bgColor { background-color:#ffffff; }

  4. If you are using a tool other than Visual Studio to create your add-in, copy the CSS code from the previous step into a text file. Then, save the file as OfficeThemes.css.

Reference OfficeThemes.css in your add-in's HTML pages

To use the OfficeThemes.css file in your add-in project, add a <link> tag that references the OfficeThemes.css file inside the <head> tag of the web pages (such as an .html, .aspx, or .php file) that implement the UI of your add-in in this format.

<link href="<local_path_to_OfficeThemes.css>" rel="stylesheet" type="text/css" />

To do this in Visual Studio, follow these steps.

  1. Choose Create a new project.

  2. Using the search box, enter add-in. Choose PowerPoint Web Add-in, then select Next.

  3. Name your project and select Create.

  4. In the Create Office Add-in dialog window, choose Add new functionalities to PowerPoint, and then choose Finish to create the project.

  5. Visual Studio creates a solution and its two projects appear in Solution Explorer. The Home.html file opens in Visual Studio.

  6. In the HTML pages that implement the UI of your add-in, such as Home.html in the default template, add the following <link> tag inside the <head> tag that references the OfficeThemes.css file.

    <link href="../../Content/OfficeThemes.css" rel="stylesheet" type="text/css" />

If you are creating your add-in with a tool other than Visual Studio, add a <link> tag with the same format specifying a relative path to the copy of OfficeThemes.css that will be deployed with your add-in.

Use OfficeThemes.css document theme classes in your content add-in's HTML page

The following shows a simple example of HTML in a content add-in that uses the OfficeTheme.css document theme classes. For details about the OfficeThemes.css classes that correspond to the 12 colors and 2 fonts used in a document theme, see Theme classes for content add-ins.

<body>
    <div id="themeSample" class="office-docTheme-primary-fontColor ">
        <h1 class="office-headerFont-latin">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent1-bgColor">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent2-bgColor">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent3-bgColor">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent4-bgColor">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent5-bgColor">Hello world!</h1> 
        <h1 class="office-headerFont-latin office-contentAccent6-bgColor">Hello world!</h1> 
        <p class="office-bodyFont-latin office-docTheme-secondary-fontColor">Hello world!</p> 
    </div>
</body>

At runtime, when inserted into a presentation that uses the default Office Theme, the content add-in is rendered like this.

Content app running with Office theme.

If you change the presentation to use another theme or customize the presentation's theme, the fonts and colors specified with OfficeThemes.css classes will dynamically update to correspond to the fonts and colors of the presentation's theme. Using the same HTML example as above, if the presentation the add-in is inserted into uses the Facet theme, the add-in rendering will look like this.

Content app running with Facet theme.

Use OfficeThemes.css Office UI theme classes in your task pane add-in's HTML page

In addition to the document theme, users can customize the color scheme of the Office user interface for all Office applications using the File > Account > Office Theme drop-down box.

The following shows a simple example of HTML in a task pane add-in that uses OfficeTheme.css classes to specify font color and background color. For details about the OfficeThemes.css classes that correspond to fonts and colors of the Office UI theme, see Theme classes for task pane add-ins.

<body> 
    <div id="content-header" class="office-officeTheme-primary-fontColor office-officeTheme-primary-bgColor"> 
        <div class="padding">
            <h1>Welcome</h1>
        </div> 
    </div> 
    <div id="content-main" class="office-officeTheme-secondary-fontColor office-officeTheme-secondary-bgColor"> 
        <div class="padding"> 
            <p>Add home screen content here.</p> 
            <p>For example:</p> 
            <button id="get-data-from-selection">Get data from selection</button> 
            <p><a target="_blank" class="office-a" href="https://go.microsoft.com/fwlink/?LinkId=276812">Find more samples online...</a></p>
        </div>
    </div>
</body>

When running in PowerPoint with File > Account > Office Theme set to White, the task pane add-in is rendered like this.

Task pane with Office White theme.

If you change OfficeTheme to Dark Gray, the fonts and colors specified with OfficeThemes.css classes will dynamically update to render like this.

Task pane with Office Dark Gray theme.

OfficeTheme.css classes

The OfficeThemes.css file contains two sets of classes you can use with your content and task pane add-ins for PowerPoint.

Theme classes for content add-ins

The OfficeThemes.css file provides classes that correspond to the 2 fonts and 12 colors used in a document theme. These classes are appropriate to use with content add-ins for PowerPoint so that your add-in's fonts and colors will be coordinated with the presentation it's inserted into.

Theme fonts for content add-ins

Class Description
office-bodyFont-eastAsian East Asian name of the body font.
office-bodyFont-latin Latin name of the body font. Default "Calabri"
office-bodyFont-script Script name of the body font.
office-bodyFont-localized Localized name of the body font. Specifies the default font name according to the culture currently used in Office.
office-headerFont-eastAsian East Asian name of the headers font.
office-headerFont-latin Latin name of the headers font. Default "Calabri Light"
office-headerFont-script Script name of the headers font.
office-headerFont-localized Localized name of the headers font. Specifies the default font name according to the culture currently used in Office.

Theme colors for content add-ins

Class Description
office-docTheme-primary-fontColor Primary font color. Default #000000
office-docTheme-primary-bgColor Primary font background color. Default #FFFFFF
office-docTheme-secondary-fontColor Secondary font color. Default #000000
office-docTheme-secondary-bgColor Secondary font background color. Default #FFFFFF
office-contentAccent1-color Font accent color 1. Default #5B9BD5
office-contentAccent2-color Font accent color 2. Default #ED7D31
office-contentAccent3-color Font accent color 3. Default #A5A5A5
office-contentAccent4-color Font accent color 4. Default #FFC000
office-contentAccent5-color Font accent color 5. Default #4472C4
office-contentAccent6-color Font accent color 6. Default #70AD47
office-contentAccent1-bgColor Background accent color 1. Default #5B9BD5
office-contentAccent2-bgColor Background accent color 2. Default #ED7D31
office-contentAccent3-bgColor Background accent color 3. Default #A5A5A5
office-contentAccent4-bgColor Background accent color 4. Default #FFC000
office-contentAccent5-bgColor Background accent color 5. Default #4472C4
office-contentAccent6-bgColor Background accent color 6. Default #70AD47
office-contentAccent1-borderColor Border accent color 1. Default #5B9BD5
office-contentAccent2-borderColor Border accent color 2. Default #ED7D31
office-contentAccent3-borderColor Border accent color 3. Default #A5A5A5
office-contentAccent4-borderColor Border accent color 4. Default #FFC000
office-contentAccent5-borderColor Border accent color 5. Default #4472C4
office-contentAccent6-borderColor Border accent color 6. Default #70AD47
office-a Hyperlink color. Default #0563C1
office-a:visited Followed hyperlink color. Default #954F72

The following screenshot shows examples of all of the theme color classes (except for the two hyperlink colors) assigned to add-in text when using the default Office theme.

Default Office theme colors example.

Theme classes for task pane add-ins

The OfficeThemes.css file provides classes that correspond to the four colors assigned to fonts and backgrounds used by the Office application UI theme. These classes are appropriate to use with task add-ins for PowerPoint, so that your add-in's colors are coordinated with the other built-in task panes in Office.

Theme font and background colors for task pane add-ins

Class Description
office-officeTheme-primary-fontColor Primary font color. Default #B83B1D
office-officeTheme-primary-bgColor Primary background color. Default #DEDEDE
office-officeTheme-secondary-fontColor Secondary font color. Default #262626
office-officeTheme-secondary-bgColor Secondary background color. Default #FFFFFF

See also