Run-In Elements

The run-in value creates a box whose type depends on the surrounding elements.

If a run-in element contains an block-level element, then the run-in element becomes a block-level element. If the next sibling is a block element, then the run-in element becomes the first inline-level element in the sibling. Otherwise the run-in element is treated as a block-level element.

The following shows a run-in element with a block-level sibling:

 
<!DOCTYPE HTML> 
<html> 
    <head> 
        <title>Example</title>  
        <style type="text/css"> 
            p { 
                display: block; 
            } 
            span { 
                display: run-in; 
                border: medium double black; 
            } 
        </style> 
    </head> 
    <body> 
        <span> 
            HyperText Markup Language (HTML) is the main markup language for 
            displaying web pages and other information that can be displayed 
            in a web browser(From From Wikipedia, the free encyclopedia).
        </span> 
        <p> 
            HyperText Markup Language (HTML) is the main markup language for 
            displaying web pages and other information that can be displayed 
            in a web browser(From From Wikipedia, the free encyclopedia).
        </p> 
    </body> 
</html>

Click to view the demo

The following code shows a run-in element with an inline sibling:

 
<!DOCTYPE HTML> 
<html> 
    <head> 
        <title>Example</title>  
        <style type="text/css"> 
            p { 
                display: inline; 
            } 
            span { 
                display: run-in; 
                border: medium double black; 
            } 
        </style> 
    </head> 
    <body> 
        <span> 
            HyperText Markup Language (HTML) is the main markup language for 
            displaying web pages and other information that can be displayed 
            in a web browser(From From Wikipedia, the free encyclopedia).
        </span> 
        <p> 
            HyperText Markup Language (HTML) is the main markup language for 
            displaying web pages and other information that can be displayed 
            in a web browser(From From Wikipedia, the free encyclopedia).
        </p> 
    </body> 
</html>

Click to view the demo

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