This can be as simple as setting a color, like you might do to use CSS.

这就像设置一个颜色一样简单，您使用CSS时也可能会这样做。

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After you change the setting, all new buttons will have a red foreground color.

改变了设置之后，所有新的按钮的前景颜色都将是红色。

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The simplest way of setting the appearance is by specifying only the color and the shading method.

表现设定的最简方式是仅指定颜色和阴影的方法。

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"Games need to explain to players why they made certain artistic decisions, what mood they're setting with their lighting and color choices, and less about the technical features, " he says.

CNN: Why console gaming is dying

It is set against a wall of gray, a color suggesting its intended setting within a church.

WSJ: The Sistine Madonna | Old Masters Picture Gallery | The Madonna Above the Cherubs | By A.J. Goldmann

However, he does say that red can be a negative color, depending on the setting.

CNN: Wearing red may boost your sex appeal