CSS |边框-块-开始-颜色属性

原文:https://www . geesforgeks . org/CSS-border-block-start-color-property/

CSS 中的边框块开始颜色属性用于在样式表的一个地方定义单个逻辑块开始边框属性值。此属性设置定义元素边框顶部的边框颜色。

语法:

border-block-start-color: border-color;

属性值:

  • 边框颜色:该属性保存边框的颜色。

下面的例子说明了 CSS 中的边框块开始颜色属性:

例 1:

<!DOCTYPE html>
<html>

<head>
    <title>CSS | border-block-start-color Property</title>
    <style>
        h1 {
            color: green;
        }

        div {
            background-color: yellow;
            width: 220px;
            height: 40px;
        }
        .one {
            border: 5px solid gray;
            border-block-start-color: yellow;
            background-color: purple;
        }
    </style>
</head>

<body>
    <center>
        <h1>Geeksforgeeks</h1>
        <b>CSS | border-block-start-color Property</b>
        <br><br>
        <div class="one">A Computer Science Portal</div>
    </center>
</body>

</html>

输出:

例 2:

<!DOCTYPE html>
<html>

<head>
    <title>CSS | border-block-start-color Property</title>
    <style>
        h1 {
            color: green;
        }

        div {
            background-color: yellow;
            width: 220px;
            height: 40px;
        }
        .one {
            border: 5px solid black;
            border-block-start-color: green;
            background-color: purple;
        }
    </style>
</head>

<body>
    <center>
        <h1>Geeksforgeeks</h1>
        <b>CSS | border-block-start-color Property</b>
        <br><br>
        <div class="one">A Computer Science Portal</div>
    </center>
</body>

</html>

输出:

支持的浏览器:边框块起始颜色属性支持的浏览器如下:

  • 火狐浏览器
  • 歌剧
  • 边缘

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