What is the specific usage of HTML tag? How to set border color using fieldset?

What is the specific usage of HTML

tag? How to set border color using fieldset? This article introduces in detail some usage of the HTML

tag (with examples) and some techniques on how to use it in combination with other elements

The definition and usage of the fieldset tag in HTML : The

fieldset element groups related elements within a form. The

tag packages part of the form content to generate a set of related form fields.

When a group of form elements are placed within a

tag, the browser will display them in a special way. They may have special borders, 3D effects, or even create a subform to handle them. these elements.

tag has no required or unique attributes. The

tag defines the title for the fieldset element.

HTML

Attributes of the tag:

##Related in the combination form Elements:

See example

<form>
  <fieldset>
    <legend>health information</legend>
    height: <input type="text" />
    weight: <input type="text" />
  </fieldset>
</form>

HTML

tag groups related elements in the form:

There are examples

<form> 
 <fieldset> 
   <legend>个人信息:</legend> 
   姓名: <input type="text"><br> 
   邮箱: <input type="text"><br> 
   生日: <input type="text"> 
 </fieldset> 
</form>

HTML fieldset to set the border and color:

<fieldset style="border-width: 2px; border-color: #990000; width:95%; height:220">
<legend>你好你好</legend>
</fieldset>

Put it up and take a look. Then adjust it yourself. . The three borders change the bottom in the middle to Top (upper), Left (left), and Right (right) respectively.

fieldset tag--Group the form

In the form form, we can group and classify the information in the form. For example, in the form of the registration form, we can group the registration information into

Basic information (generally required)

Detailed information (generally optional)

So how can we achieve it better? We can consider adding the following two tags to the form:

Fieldset: Group the form. A form can have multiple fieldsets.

Legend: Describe the content description of each group.

Format:

<fieldset>
　　　　<legend>health information</legend>
　　　　　　height: <input type="text"/>
　　　　　　weight: <input type="text"/>
　　</fieldset>

Browser support:

All browsers support the

tag.

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