尝试一下
label {
display: block;
margin-top: 1rem;
}
示例
通过在某些输入类型上添加 size 可以控制输入的宽度。在选择项上添加 size 会改变高度，从而定义在关闭状态下有多少选项是可见的。
html
规范
Specification
HTML# attr-select-size
HTML# attr-input-size
浏览器兼容性
html.elements.select.size
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html.elements.input.size
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参见
maxlength
minlength
pattern
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This page was last modified on 2025年8月6日 by MDN contributors.
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