Make a picture transparent - Microsoft Support
网页Change the transparency (or opacity) of an entire picture in Office. You can choose from seven preset transparency options for your picture, or you can customize the transparency percentage.
Add a fill or effect to a shape or text box - Microsoft Support
网页At the bottom of the Colors dialog box, move the Transparency slider, or enter a number in the box next to the slider. You can vary the percentage of transparency from 0% (fully opaque, the default setting) to 100% (fully transparent).
Change the background of slides - Microsoft Support
网页In PowerPoint, you can change the slide background to a picture or a color. Windows Web macOS. You can add a solid or gradient color, a pattern, or an image as the background of a slide or an entire presentation. Format the slide background with color. On …
Make the background of a text box invisible - Microsoft Support
网页If you’re layering text on top of a picture, chart, or other graphic, you may want to remove the background color and border of the text box, so that the text appears to float on top, rather than appearing inside the text box. Right-click the text box that you want to make invisible.
Add a background picture to slides - Microsoft Support
网页Insert a background picture on a slide. Right-click the margin of the slide and then select Format Background. In the Format Background pane, choose Picture or texture fill. Under Insert picture from, choose where to get the picture from: To adjust the picture's relative lightness, slide the Transparency bar to the right.
Add a watermark to a photo with PowerPoint - Microsoft Support
网页Adding a watermark to a photograph by using PowerPoint involves three main tasks: Adding the watermark, formatting it so that it looks transparent, and then grouping and saving the photograph.
Change the brightness, contrast, or sharpness of a picture
网页Adjust the brightness, sharpness, or contrast. Click the picture that you want to change the brightness for. On the Picture Format tab, in the Adjust group, select Corrections. Depending on your screen size, the Corrections button may appear different.
Use Eyedropper to match colors on your slide - Microsoft Support
网页There are three basic steps for copying and transferring a color with the Eyedropper in the PowerPoint desktop app: First, select the thing you want to re-color. Next, select the eyedropper. Then, select the color you want to apply. Windows macOS Web. Change the color of a shape or text. Select the shape or text you want to assign a new color to.
Show or hide ScreenTips - Microsoft Support
网页ScreenTips are small windows that display descriptive text when you rest the pointer on a command or control. Enhanced ScreenTips are larger windows that display more descriptive text than a ScreenTip and can have a link to a Help article. You can set an option to show or hide ScreenTips.
Change the colors in a text box or shape - Microsoft Support
网页Click Shape Fill, and under Theme Colors, pick the color you want. To change the fill color to a color that isn't in the theme colors. Select the shape or text box. On the Drawing Tools Format tab, click Shape Fill > More Fill Colors.
Change the look of a table - Microsoft Support
网页Applying a predefined table style is the quick, easy way to change the look of a table in PowerPoint. A table style is a combination of formatting options, including color and optional shading. The color combinations are derived from the theme colors of the presentation. Any table that you create has a table style applied to it automatically.