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CSS CSS Transitions and Transforms Getting Started with CSS Transitions Transition Challenge

I can't figure out what is wrong with my code

It seems to be working

style.css
/* Complete the challenge by writing CSS below */

.collapsed {
    height: 0;
    overflow: hidden;
  transition: .6s;
  transition-property: height;
}

.expand:checked ~ .collapsed {
    height: 34vh;
}
index.html
<!DOCTYPE html>
<html>
<head>
    <title>CSS Transitions</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,300,600,700,800' rel='stylesheet' type='text/css'>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container clearfix">

        <input type="checkbox" class="expand" id="expand"><label for="expand">Expand Height</label>

        <div class="collapsed">
            <h2>Chocolate cupcake dessert</h2>
            <p> Tiramisu apple pie sesame snaps lemon drops pie bonbon wafer sweet jujubes. Toffee cupcake wafer. Dessert jelly ice cream sweet roll chocolate bar toffee oat cake cotton candy sweet roll. Cotton candy sweet oat cake croissant macaroon gummies cake gummi bears bear claw. Tootsie roll biscuit marshmallow topping.</p>
        </div>

    </div>
</body>
</html>

1 Answer

Jason Anders
MOD
Jason Anders
Treehouse Moderator 145,858 Points

Hey there,

You're really close. You're just missing a key part of the transition label for length of time... or -duration.

transition-duration: .6s;
transition-property: height;

Keep Coding! :dizzy: