Example 1:
div {
box-shadow: 10px 10px;
}
Example 2:
div {
box-shadow: 10px 10px grey;
}
Example 3:
div {
box-shadow: 10px 10px 5px grey;
}
Example 4: Image Card
<!DOCTYPE html>
<html>
<head>
<style>
div.polaroid {
width: 250px;
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
text-align: center;
}
div.container {
padding: 10px;
}
</style>
</head>
<body>
<h2>Polaroid Images / Cards</h2>
<p>The box-shadow property can be used to create paper-like cards:</p>
<div class="polaroid">
<img src="rock600x400.jpg" alt="Norway" style="width:100%">
<div class="container">
<p>Hardanger, Norway</p>
</div>
</div>
</body>
</html>
Tool: box-shadow generator
You can use this tool to quickly get desired effect
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Background_and_Borders/Box-shadow_generator