<!DOCTYPE html>
<html>
<head>
<style>
#parentDiv {
height: 300px;
writing-mode: vertical-rl;
}
#myDiv {
background-color: lightblue;
border: solid black 1px;
margin-block: 10px 50px;
}
.redDiv {
background-color: rgb(239, 135, 88);
text-align: center;
}
</style>
</head>
<body>
<h1>The margin-block Property</h1>
<p>Here, the margin-block property is affected by the CSS writing-mode property.</p>
<div id="parentDiv">
<div class="redDiv">div</div>
<div id="myDiv">
<p>This DIV has a margin of 10 pixels from the start in the block direction, and 50 from the end.</p>
</div>
<div class="redDiv">div</div>
</div>
</body>
</html>