CSS flex-basis Property

Example

Set the initial length of the second flex-item to 100 pixels:

div:nth-of-type(2) {
  flex-basis: 100px;
}

Definition and Usage

The flex-basis property specifies the initial length of a flexible item.

We can take it as a minimum length for the flex-items.

Note: If the element is not a flexible item, the flex-basis property has no effect.

Default value:	auto
Inherited:	no
Animatable:	yes.
Version:	CSS3
JavaScript syntax:	object.style.flexBasis="200px"

• Inherited : "Inherited = no" means that it cannot takes (inherit) it's value from it's parent element.
• object - object in javascript means the element on which flex-basis is applied.
• Animatable - "Animatable = yes" means that it can be animated with CSS @keyframes.

Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Numbers followed by -webkit- or -moz- specify the first version that worked with a prefix.

Property
flex-basis	29.0 21.0 -webkit-	11.0	28.0 18.0 -moz-	9.0 6.1 -webkit-	17.0

CSS Syntax

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

Property Values

Value	Description	Play it
number	A length unit, or percentage, specifying the initial length of the flexible item(s)
auto	Default value. The length is equal to the length of the flexible item. If the item has no length specified, the length will be according to its content
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.