cssbordercolor

Utilitiesforcontrollingthecolorofanelement'sborders.​.Quickreference.Class.Properties.Preview.border-inherit,border-color:inherit;.,2024年1月2日—Theborder-colorshorthandCSSpropertysetsthecolorofanelement'sborder.,2024年1月2日—Theborder-right-colorCSSpropertysetsthecolorofanelement'srightborder.ItcanalsobesetwiththeshorthandCSSproperties ...,2024年1月2日—Theborder-top-colorCSSpropertysetsthecol...

參考資訊如下
Border Color

Utilities for controlling the color of an element's borders. ​. Quick reference. Class. Properties. Preview. border-inherit, border-color: inherit;.

border-color - CSS: Cascading Style Sheets

2024年1月2日 — The border-color shorthand CSS property sets the color of an element's border.

border-right-color - CSS: Cascading Style Sheets

2024年1月2日 — The border-right-color CSS property sets the color of an element's right border. It can also be set with the shorthand CSS properties ...

border-top-color - CSS: Cascading Style Sheets

2024年1月2日 — The border-top-color CSS property sets the color of an element's top border. It can also be set with the shorthand CSS properties ...

CSS Border Color

The border-color property can have from one to four values (for the top border, right border, bottom border, and the left border).

CSS border

The border-color property sets the color of an element's four borders. This property can have from one to four values. If the border ...

CSS border

代表的意思是上邊框藍色、右邊框黑色、下邊框紅色、左邊框綠色。如果上下相同顏色，左右相同顏色，也可以用簡化的寫法來達到，看看下方這個範例馬上了解。

CSS Property: border

With one value, the border-color property can be used to specify a uniform color border around a box. With two, three, or four values, sides can be specified ...

[HTML]

To add a border background color to an HTML element, you can use the CSS border property in combination with the background-color property.

重新認識CSS

2020年2月9日 — Border color. border color 屬性指定box 的border 的顏色。 border-top-color 、 border-right-color 、 border-bottom-color 、 border-left-color 屬性 ...