<!DOCTYPE html>
<html>
<head>
<style>
div {
    width: 320px;
    padding: 10px;
    border: 5px solid gray;
    margin: 0;
}

</style>
</head>
<body>

<h2>Calculate the total width:</h2>

<img src="klematis4_big.jpg" width="350" height="263" alt="Klematis">
<div>The picture above is 350px wide. The total width of this element is also 350px.</div>

</body>
</html>