Outline Color

<https://www.tailwindcss.cn/docs/outline-color>

用法

Class	Properties
outline-inherit	outline-color: inherit;
outline-current	outline-color: currentColor;
outline-transparent	outline-color: transparent;
outline-black	outline-color: #000;
outline-white	outline-color: #fff;

其他颜色写法参考文档