You have learned how to use CSS to add backgrounds, format text, add and format borders, and specify padding and margins of elements.
你已经学习如何使用CSS来为页面加上背景，格式化文字，以及为元素加上边框，边距，填充等一系列的样式。
Today we're going to take a look at a few live sites to grab some inspiration on how to effectively add interesting backgrounds to a web page.
今天，我们将介绍几个实际网站来启发你的灵感，看看如何设计趣味而又令人感兴趣的网页背景。
Add Colored Backgrounds in powerpoint.
在PowerPoint中添加彩色背景。
New media effects for transforming images and videos and run on the GPU: adjust color levels and brightness, change backgrounds, sharpen, crop, rotate, add lens distortion, and others.
新媒体转换的图像和视频和在GPU上运行的效果：调整色彩和亮度，改变背景、锐化、裁剪、旋转、添加滤镜失真，等等。
You can change font sizes, colors, font families, or add graphics and interesting backgrounds.
你可以改变字体大小，颜色，字体种类，或者添加图形和有趣的背景。
You can create soundtracks with the built-in MP3 player, and you can create your own card sets or add your favorite photos and images as backgrounds.
你能够拿着固定的mp3播放器创造声音轨迹，和你能够创造你的自己的卡片设置或者加你的喜爱的相片和作为背景的形象。
You can create soundtracks with the built-in MP3 player, and you can create your own card sets or add your favorite photos and images as backgrounds.
你能够拿着固定的mp3播放器创造声音轨迹，和你能够创造你的自己的卡片设置或者加你的喜爱的相片和作为背景的形象。
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