You also can change the background color and maybe the typeface.

您还可以更改背景颜色，也许还有字体。

On some systems, the text color and background color could be defined with a few extra bits.

在某些系统上，文本颜色和背景颜色可以用一些额外的位来定义。

And did  you notice that the background color behind the text slowly changed throughout that entire last scene?

您是否注意到在整个最后一个场景中，文本背后的背景颜色在缓慢变化？

We can even get a little fancy and say if we get the number 20, set the background color of the window to blood red!

我们甚至可以花点心思说，如果我们得到数字 20，就将窗口的背景颜色设置为血红色！

Where text or typography is concerned, make sure you present the contrast between text and background color to ensure legibility of the text, which is really important to convey your message effectively and professionally.

在文字或排版方面，要确保文字和背景颜色的对比，以确保文字的易读性，这对于有效和专业地传达你的信息非常重要。