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CSS | border-top-width Property

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  • Last Updated : 02 Aug, 2022
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The border-top-width property in CSS is used to set a specific width to the top border of an element. The border-top-style or border-style property is used for the element before using the border-top-width property.

Default Value: 

  • medium

Syntax:  

border-top-width: length|thin|medium|thick|initial|inherit;

Property Values: The border-top-width property values are listed below:  

  • length: It is used to set the width of the border. It does not takes negative value.
  • thin: It is used to set the thin border at the top of element.
  • medium: It is used to set medium sized top border. It is the default value.
  • thick: It is used to set the thick top border.
  • initial: It is used to set the border-top-width to its default value.
  • inherit: This property is inherited from its parent.

Example:  

html




<!DOCTYPE html>
<html>
    <head>
        <title>
            border-top-width property
        </title>
         
        <style>
            #thin {
                border-color: green;
                border-top-style: solid;
                border-top-width: thin;
            }
            #medium {
                border-color: green;
                border-top-style: solid;
                border-top-width: medium;
            }
            #thick {
                border-color: green;
                border-top-style: solid;
                border-top-width:thick;
            }
            #length {
                border-color: green;
                border-top-style: solid;
                border-top-width: 20px;
            }
            #initial {
                border-color: green;
                border-top-style: solid;
                border-top-width: initial;
            }
        </style>
    </head>
     
    <body style = "text-align:center">
     
        <h1 style = "color:green">GeeksforGeeks</h1>
     
        <h3>border-top-width property</h3>
         
        <div id="thin">
            border-top-width: thin;
        </div><br><br>
         
        <div id="medium">
            border-top-width: medium;
        </div><br><br>
         
        <div id="thick">
            border-top-width: thick;
        </div><br><br>
         
        <div id="length">
            border-top-width: length;
        </div><br><br>
         
        <div id="initial">
            border-top-width: initial;
        </div>
    </body>
</html>                                


Output:  

Supported Browsers: The browser supported by border-top-width property are listed below:  

  • Google Chrome 1.0 and above
  • Edge 12.0 and above
  • Internet Explorer 4.0 and above
  • Opera 3.5 and above
  • Safari 1.0 and above
  • Firefox 1.0 and above

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