To achieve this effect we used CSS to change the background image of the banner, the icon next to the selected menu item, and the color of the bottom border.
为了实现这种效果，我们使用CSS改变广告条的背景图像、选择的菜单条目旁边的图标以及底边框的颜色。
For example, at the top of the CSS file, the body HTML selector redefines the font and background color of the entire browser application page.
例如，在CSS文件的顶部，bodyHTML选择符重新定义整个浏览器应用程序页面的字体和背景颜色。
As an example, the background color could be set to alternate every hour using CSS expressions.
为例，背景颜色可能被交替使用CSS表达式每小时的设置。
Testing this in the browser then shows this styling for real, showing how the use of CSS background color and border can recreate the original effect from Photoshop.
然后在浏览器里面测试下啦～如果没写错的话那么就跟设计稿上的效果是一样的～这说明CSS彪悍的将ps设计稿里面背景颜色和边框的效果给实现了。
The background color, corner radius, and border and thickness styles of "header" and "content" viewers are defined in class selectors of the external CSS file: "example.css" (Listing 19).
“header”和“content”查看器的背景颜色、圆角半径、边框和透明度都在外部css文件example . css的类选择器中定义(见清单19)。
The CSS file defines an off-color background and font that I think make it easy to read.
这个CSS文件定义了一个颜色一般的背景色和一种很便于阅读的字体。
With CSS, you can build all styling information, including rendering location, color, background, and font, in a template-friendly language.
在CSS 中，您可以使用模板友好的语言来构建包括呈现位置、颜色、背景以及字体在内的所有的样式信息。
So, say we just wanted to do a simple highlight by changing the background color of the highlighted item to yellow. Our CSS might look like this.
因此，比方说，通过将聚焦条目的背景色改为黄色的，我们实现一个简单的聚焦。我们的CSS可能看起来像。
If dividing the context item by 2 leaves a remainder of 1, the stylesheet generates the CSS code background: gray; color: white;.
如果上下文项除2余1，样式表就生成CSS代码background：gray；color：white；。
First up, add a background color, perhaps a background image, set default font color, style, and alignment, and do anything else you'd normally do with CSS.
首先，添加背景颜色(可能是一张背景图)，设置默认的字体颜色、样式、对齐，以及对CSS进行通常所需的设置。
Consider setting the background color to white and the text color to black with CSS.
文本与背景颜色对比要强烈——黑色文本搭配白色背景，是最好选择。
Consider setting the background color to white and the text color to black with CSS.
文本与背景颜色对比要强烈——黑色文本搭配白色背景，是最好选择。
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