зеркало из https://github.com/mozilla/gecko-dev.git
30 строки
435 B
HTML
30 строки
435 B
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<style type="text/css">
|
|
#sibling1 {
|
|
height: 20px;
|
|
background-color: green;
|
|
margin-bottom: 10px;
|
|
}
|
|
#sibling2 {
|
|
display: none;
|
|
height: 20px;
|
|
background-color: green;
|
|
margin-top: 20px;
|
|
margin-bottom: 10px;
|
|
}
|
|
#sibling3 {
|
|
height: 20px;
|
|
background-color: green;
|
|
margin-top: 20px;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="sibling1"></div>
|
|
<div id="sibling2"></div>
|
|
<div id="sibling3"></div>
|
|
</body>
|
|
</html>
|