How to set the width of fieldset

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Release: 2023-11-23 11:40:12
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Methods for setting the width of fieldset: 1. Use the width attribute of CSS; 2. Use the min-width and max-width attributes of CSS; 3. Use CSS flex layout; 4. Use CSS grid layout.

How to set the width of fieldset

In HTML and CSS, the "fieldset" element is used to group certain elements within the form together and can add borders to define them. By default, the width of "fieldset" is determined based on its content, but you can use CSS to set a fixed width.

Here are some ways to set the width of "fieldset":

Use the width property of CSS:

<style>  
    .custom-fieldset {  
        width: 300px; /* 设置你想要的宽度 */  
    }  
</style>  
  
<fieldset class="custom-fieldset">  
    <!-- 在这里添加你的表单元素 -->  
</fieldset>
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Use CSS min-width and max-width properties (optional):

If you want to limit the minimum and maximum width of "fieldset", you can use this Two properties.

<style>  
    .custom-fieldset {  
        min-width: 200px; /* 设置最小宽度 */  
        max-width: 400px; /* 设置最大宽度 */  
    }  
</style>  
  
<fieldset class="custom-fieldset">  
    <!-- 在这里添加你的表单元素 -->  
</fieldset>
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Use CSS flex layout (modern layout technology):

If you want to control the elements within "fieldset" more flexibly For layout, you can use CSS flex layout. This allows you to set the main and cross axis lengths, as well as the element's flex size.

<style>  
    .custom-fieldset {  
        display: flex; /* 设置为flex容器 */  
        width: 300px; /* 设置你想要的宽度 */  
    }  
    .custom-fieldset > * {  
        flex: 1; /* 让所有子元素等宽 */  
    }  
</style>  
  
<fieldset class="custom-fieldset">  
    <!-- 在这里添加你的表单元素,它们将会等宽分布 -->  
</fieldset>
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Use CSS grid layout (modern layout technology):

If you want a more complex layout, you can use CSS grid layout. This allows you to create rows and columns to place elements and set specific layout spacing.

<style>  
    .custom-fieldset {  
        display: grid; /* 设置为grid容器 */  
        grid-template-columns: repeat(3, 1fr); /* 设置3列,每列宽度相同 */  
        width: 300px; /* 设置你想要的宽度 */  
    }  
</style>  
  
<fieldset class="custom-fieldset">  
    <!-- 在这里添加你的表单元素,它们将会按照网格布局分布 -->  
</fieldset>
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