Add Columns with grid-template-columns

Tell us what’s happening:

What is the wrong here? Can anyone help me to solve this?

Your code so far

  .container {
    font-size: 40px;
    width: 100%;
    background: LightGray;
    display: grid;
    /* add your code below this line */
    /* add your code above this line */
<div class="container">
  <div class="d1">1</div>
  <div class="d2">2</div>
  <div class="d3">3</div>
  <div class="d4">4</div>
  <div class="d5">5</div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:

ok finally i found my mistake…
i change the code like this
grid-template-columns:100px 100px 100px;
and it’s work…