Use the flex Shorthand Property error states "Your code should use the flex property for #box-1 and #box-2."

Tell us what’s happening:

Your code so far

  #box-container {
    display: flex;
    height: 500px;
  #box-1 {
    background-color: dodgerblue;
    flex:2 2 150px;
    height: 200px;

  #box-2 {
    background-color: orangered;
    flex :1 1 150px;
    height: 200px;

<div id="box-container">
  <div id="box-1"></div>
  <div id="box-2"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.170 Safari/537.36 OPR/53.0.2907.99.

Link to the challenge:

Make sure there is no white space between flex property and : in #box-2.

Like this.

flex:1 1 150px;

Your code.

flex :1 1 150px;