清单9中的样式表将获取两个参数：h1_height和h2_height，它们允许调用者指定和标记的字体大小。

The stylesheet in Listing 9 takes two parameters, h1_height and h2_height, letting the caller specify the font sizes of the and tags.

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您可以在Drop - down小部件中修改色彩、字体大小和各种其他参数，以控制缺省转换的外观。

In the Drop-down widget, you can modify colors, font sizes, and a variety of other parameters to assist you in controlling the look and feel of the default transformation.

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点击系统>参数设置>应用，在弹出的界面上你可以更改桌面主题、背景、字体、视觉效果和外观。

Click on System > Preference > Appearance which will bring up a screen that will let you change your theme, background, fonts, visual effects, and interface.

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