CSS 属性 border-inline-start-width 指示元素的逻辑内联起始边框宽度。物理边框宽度由元素的书写模式、方向性和文本方向决定。
其映射取决于 direction和text-orientation 给定值，对应于 border-top-width、border-right-width，border-bottom-width，或border-left-width 等属性。
元素各种边框的宽度由属性 border-block-start-width、border-block-end-width 和 border-inline-end-width确定，这些属性链接到 border-inline-start-width。
属性值
<'border-width'>: 边框的宽度。
语法
border-inline-start-width = <line-width>
<line-width> = <length [0,∞]> | thin | medium | thick 适用范围
所有 HTML 元素。
CSS border-inline-start-width: thick
以下示例演示了 border-inline-start-width CSS 属性以及粗宽度值。
<html>
<head>
<style>
.container {
background-color: #d5d9de;
width: 450px;
height: 350px;
display: flex;
align-items: center;
justify-content: center;
}
.customText {
border: 2px dashed #e74c3c;
border-inline-start-width: thick;
padding: 12px;
margin: 15px 15px;
text-align: center;
font-family: 'Arial', sans-serif;
font-size: 16px;
color: #2c3e50;
}
</style>
</head>
<body>
<div class="container">
<p class="customText">属性 border-inline-start-width 的示例，其值为 Thick。</p>
</div>
</body>
</html> CSS border-inline-start-width: thin
以下示例演示了 border-inline-start-width CSS 属性与细宽度的用法
<html>
<head>
<style>
.container {
background-color: #d5d9de;
width: 450px;
height: 350px;
display: flex;
align-items: center;
justify-content: center;
}
.customText {
border: 5px dashed #3a43e8;
border-inline-start-width: thin;
padding: 12px;
margin: 15px 15px;
text-align: center;
font-family: 'Arial', sans-serif;
font-size: 20px;
color: #2c3e50;
}
</style>
</head>
<body>
<div class="container">
<p class="customText">属性 border-inline-start-width 的示例，其值为 Thin。</p>
</div>
</body>
</html> CSS border-inline-start-width: medium
以下示例演示了 border-inline-start-width CSS 属性和中值宽度的用法。
<html>
<head>
<style>
.container {
background-color: #e8e7da;
width: 450px;
height: 350px;
display: flex;
align-items: center;
justify-content: center;
}
.customText {
border: 8px solid #c4bb04;
border-inline-start-width: medium;
padding: 12px;
margin: 15px 15px;
text-align: center;
font-family: 'Arial', sans-serif;
font-size: 20px;
color: #2c3e50;
}
</style>
</head>
<body>
<div class="container">
<p class="customText">属性 border-inline-start-width 值为medium 的示例。</p>
</div>
</body>
</html> CSS border-inline-start-width: length
以下示例演示了 CSS 属性 border-inline-start-width 的用法，垂直书写模式和长度值宽度。
<html>
<head>
<style>
.container {
background-color: lightgrey;
width: 350px;
height: 350px;
display: flex;
align-items: center;
justify-content: center;
}
.custom-border {
writing-mode: vertical-rl;
border: 5px ridge #f0d807;
border-inline-start-width: 11px;
padding: 12px;
margin: 15px 15px;
text-align: center;
font-family: 'Arial', sans-serif;
font-size: 20px;
color: #2c3e50;
}
</style>
</head>
<body>
<div class="container">
<p class="custom-border">具有 border-inline-start-width 属性和垂直书写模式的示例。</p>
</div>
</body>
</html>