<!DOCTYPE html>
<html>
<head>
<style>
#image-shape {
float: left;
width: 25px; /* shape-outside intervals derived from images are end-point exclusive */
height: 100px;
}
#content {
font: 50px/1 Ahem, sans-serif;
width: 600px;
color: green;
}
</style>
<div id="content">
<div id="image-shape"></div>
X<br>X<br>X
</div>
</body>
</html>