71 lines
1.4 KiB
HTML
71 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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#indicator {
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position: absolute;
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top: 20px;
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left: 20px;
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width: 200px;
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height: 200px;
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background-color: red;
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}
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.container {
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position: absolute;
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top: 20px;
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left: 20px;
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}
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.solid-background {
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position: relative;
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float: left;
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width: 200px;
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height: 200px;
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background-color: green;
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z-index: 0;
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}
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#scrollable {
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width: 100%;
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height: 100%;
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overflow: hidden;
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}
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.opaque {
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background-color: gray;
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width: 100%;
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height: 100%;
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}
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.non-opaque {
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background-color: transparent;
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width: 100%;
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height: 100%;
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}
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</style>
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<script>
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window.addEventListener('load', function() {
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document.getElementById('scrollable').scrollTop = 200;
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}, false);
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</script>
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</head>
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<body>
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<div id="indicator"></div>
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<div class="container">
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<div class="solid-background">
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<div id="scrollable">
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<div class="opaque">
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</div>
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<div class="non-opaque">
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>
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