'custom' Syntax and Note : custom « HTML Tag Reference « HTML CSS Reference






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'custom' Syntax and Note

Note:

Create a user-defined element. 

   
Syntax:
    
1. A namespace must be created in the HTML tag, 
   using the xmlns attribute to define it,
   as follows:<html xmlns:myElement>

2. A style sheet defining the elements must be included 
   in the <head> section, under the @media wrapper, as follows:

    <style>
    @media all {
        myElement\:one { color: red }
        myElement\:two { font-family: Verdana }
        myElement\:three { text-decoration: none } 
    } 
    </style>

3. After defining, they can be used by referencing 
   the namespace and the element name:

<myElement:one> . . . </myElement:one>
<myElement:two> . . . </myElement:two>
<myElement:three> . . . </myElement:three>








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