CSS | flex-basis Property

The flex-basis property in CSS is a used to specify the initial size of the flexible item. The flex property is not used if the element is not flexible item.

Syntax:

flex-basis: number|auto|initial|inherit;

Property Values:

number: It is a length unit that define the initial length of that item.

auto: It is the default value, if the length is not specified the length will be according to it’s content.

initial: It sets the property to it’s default value.

inherit: It specifies that a property should inherit its value from its parent element.

Example 1:

<!DOCTYPE html> 
<html> 
      
<head> 
    <style> 
        .Geeks { 
            width: 385px; 
            height: 70px; 
            display: flex; 
        } 
          
        .Geeks div { 
            flex-grow: 0; 
            flex-shrink: 0; 
            flex-basis: 80px; 
              
            /* For Safari 6.1 and above browsers */ 
            -webkit-flex-grow: 0;  
            -webkit-flex-shrink: 0; 
            -webkit-flex-basis: 80px; 
        } 
          
        .Geeks div:nth-of-type(2) { 
            flex-basis: 50%; 
        } 
        .Geeks div:nth-of-type(3) { 
            flex-basis: auto; 
        } 
        .Geeks div:nth-of-type(4) { 
            flex-basis: initial; 
        } 
        .Geeks div:nth-of-type(5) { 
            flex-basis: inherit; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
          
        <h1> 
            The flex-basis Property 
        </h1> 
          
        <div class = "Geeks"> 
              
            <div style = "background-color:green;"> 
                number 80px 
            </div> 
              
            <div style = "background-color:lightgreen;"> 
                percentage 
            </div> 
              
            <div style = "background-color:green;"> 
                auto 
            </div> 
              
            <div style = "background-color:lightgreen;"> 
                initial 
            </div> 
              
            <div style = "background-color:green;"> 
                inherit 
            </div> 
        </div>  
          
    </center> 
</body> 
  
</html>                     

Output:

Example 2:

<!DOCTYPE html> 
<html> 
      
<head> 
    <style> 
        .Geeks { 
            width: 560px; 
            height: 100px; 
            border: 1px solid black;  
            display: flex; 
        } 
          
        .Geeks div { 
            flex-grow: 0; 
            flex-shrink: 0; 
            flex-basis: 80px; 
        } 
        .Geeks div:nth-of-type(2) { 
            flex-basis: 200px; 
        } 
        .Geeks div:nth-of-type(5) { 
            flex-basis: 120px; 
        } 
        h3{ 
            color:Green; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
          
        <h1> 
            The flex-basis Property 
        </h1> 
          
        <div class = "Geeks"> 
            <div style="background-color:green"> 
                80px 
            </div> 
              
            <div style="background-color:lightgreen"> 
                GeeksforGeeks <br>200px 
            </div> 
              
            <div style="background-color:green"> 
                80px 
            </div> 
              
            <div style="background-color:lightgreen"> 
                80px 
            </div> 
              
            <div style="background-color:green"> 
                120px 
            </div> 
        </div>  
    </center> 
</body> 
  
</html>                     

Output:

Supported Browsers: The browser supported by flex-basis property are listed below:

Google Chrome 29.0, 21.0 -webkit-
Internet Explorer 11.0
Mozilla Firefox 28.0, 18.0 -moz-
Safari 9.0, 6.1 -webkit-
Opera 17.0

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