freeCodeCamp/guide/english/certifications/responsive-web-design/css-flexbox/use-the-flex-basis-property-to-set-the-initial-size-of-an-item/index.md

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Use the flex-basis Property to Set the Initial Size of an Item

Use the flex-basis Property to Set the Initial Size of an Item

You can achieve the same effect as the previous two challenges with flax-basis. After setting sthe appropiate values, you will see #box-2 being bigger than #box-1 before any shrinking or grow is applied.

#box-1 {
  background-color: dodgerblue;
  height: 200px;
  flex-basis: 10em;
}

#box-2 {
  background-color: orangered;
  height: 200px;
  flex-basis: 20em;
}