Learn CSS Colors by Building a Set of Colored Markers - Step 78

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Colored Markers</title>
    <link rel="stylesheet" href="styles.css">
  </head>
  <body>
    <h1>CSS Color Markers</h1>
    <div class="container">
      <div class="marker red">
        <div class="cap"></div>
        <div class="sleeve"></div>
      </div>
      <div class="marker green">
      </div>
      <div class="marker blue">
      </div>
    </div>
  </body>
</html>
/* file: styles.css */
h1 {
  text-align: center;
}

.container {
  background-color: rgb(255, 255, 255);
  padding: 10px 0;
}

.marker {
  width: 200px;
  height: 25px;
  margin: 10px auto;
}

.cap {
  display: inline-block;
  width: 60px;
  height: 25px;
}

.sleeve {
  display: inline-block;
  width: 110px;
  height: 25px;
  background-color: rgba(255, 255, 255, 0.5);
}



.red {
  background: linear-gradient(rgb(122, 74, 14), rgb(245, 62, 113), rgb(162, 27, 27));
}

.green {
  background: linear-gradient(#55680D, #71F53E, #116C31);
}

.blue {
  background: linear-gradient(hsl(186, 76%, 16%), hsl(223, 90%, 60%), hsl(240, 56%, 42%));
}

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Challenge: Learn CSS Colors by Building a Set of Colored Markers - Step 78

Link to the challenge:

Please Tell us what’s happening in your own words.

Learning to describe problems is hard, but it is an important part of learning how to code.

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the instruction is to create a new rule to target both the cap and sleeve classes and set display to `inline-block .
so in both classes cap and sleeve I set the display to inline-block .
.cap {
display: inline-block;
width: 60px;
height: 25px;
}

.sleeve {
display: inline-block;
width: 110px;
height: 25px;
background-color: rgba(255, 255, 255, 0.5);
}
I get the
Sorry, your code does not pass. You’re getting there.
But obviously I am not.
Checked in:
CSS Layout - inline-block
Display Inline-Block Working with CSS
Selector {
display: inline-block;
}

To target two element types at the same type you should use a comma delimited list.
(They want one rule to target two classes here)

omg that was not how i would have taught that lesson.
I finally found it in

I am a programmer I found that question difficult to make the connection

Oops my bad. I thought you had already learned it.

Edit: I am trying to figure out where they taught this…
(Step 13 of the learn basic css by building a cafe menu project).
Just fyi.