CSS flex-basis Property Last Updated : 26 Aug, 2024 Summarize Comments Improve Suggest changes Share Like Article Like Report The flex-basis property in CSS is 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;Default Value: auto Property Values: Property ValueDescriptionnumberIt is a length unit that define the initial length of that item.autoIt is the default value, if the length is not specified the length will be according to it's content.initialIt sets the property to it's default value.inheritIt specifies that a property should inherit its value from its parent element.Different Examples of CSS Flex Basis PropertyExample 1: In this example, we are using the CSS flex basis property. html <!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: In this example, we are using the CSS flex basis property html <!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 29.0Edge 12Internet Explorer 11.0Mozilla Firefox 22.0Safari 9.0Opera 12.1 Comment More infoAdvertise with us S Sabya_Samadder Follow Improve Article Tags : Technical Scripter Web Technologies CSS CSS-Properties Similar Reads CSS Tutorial CSS stands for Cascading Style Sheets. 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