For example, functional testing of a command button can include testing what happens when the button is pushed as well as testing its size, location, and color.

比如，一个命令按钮的功能测试既包括了对按下按钮时的动作的测试，也包括了对按钮的大小，位置和颜色的测试。

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Very few websites have the experience of changing a button color or altering a headline or fiddling with some copy and seeing huge improvements in conversion rate.

鲜有网站具有通过改变按钮的颜色或更改标题摆弄下文案就可以将转化率大大提升的经验。

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For the background property, select a color of your choice and click the apply button.

对于background属性，选择您想要的颜色并单击apply按钮。

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If I have an appointment that requires me to wear a tie, I push a button and the 2-inch color LCD screen turns into a mirror I can use to check the knot.

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Tessler suggested you could change the color of your walls with the push of a button.

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This can be as simple as testing different colors of a button on the same page and noting which color drives the most conversions.

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