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- <!DOCTYPE html>
- <html>
- <head>
- <link rel="stylesheet" href="../resources/css/base.css" />
- </head>
- <body>
- <div class="instructions">Scroll the page</div>
- <style>
- .instructions {
- width: 100%;
- text-align: center;
- font-size: 24px;
- padding: 15px;
- background-color: rgba(210, 180, 140, 0.4);
- }
- * {
- box-sizing: border-box;
- }
- body {
- min-height: 1200vh;
- height: 100%;
- }
- .content-box {
- width: 600px;
- border: 10px solid #999;
- height: 600vh;
- background-color: #439CCC;
- margin: 200vh auto;
- }
- .element {
- border: 10px solid #999;
- background-color: #FFDC00;
- width: 300px;
- height: 200px;
- padding: 0 15px;
- font-size: 20px;
- font-weight: bold;
- }
- </style>
- <div class="content-box">
- <div class="element">
- <p>This is some sort of crazy dialog.</p>
- <p>It's setup to align with the center of the visible part of the blue area.</p>
- </div>
- </div>
- <script src="//github.hubspot.com/tether/dist/js/tether.js"></script>
- <script>
- new Tether({
- element: '.element',
- target: '.content-box',
- attachment: 'middle center',
- targetAttachment: 'middle center',
- targetModifier: 'visible'
- });
- </script>
- </body>
- </html>
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