<div class="container">
<img src="http://tympanus.net/codrops-playground/assets/images/cssref/properties/mask-border-width/sleepy-owl.jpg" alt="">
<p><strong>You should read more about how the different border image properties work together in the <a href="http://tympanus.net/codrops/css_reference/mask-border"><code>mask-border</code></a> shorthand property entry</strong>.</p>
</div>
body {
background-color: #F5F5F5;
color: #555;
font-size: 1.1em;
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
.container {
margin: 40px auto;
max-width: 700px;
}
img {
-webkit-mask-border-source: url(http://tympanus.net/codrops-playground/assets/images/cssref/properties/mask-border-width/mask-border-image.png);
mask-border-source: url(http://tympanus.net/codrops-playground/assets/images/cssref/properties/mask-border-width/mask-border-image.png);
-webkit-mask-border-repeat: round;
mask-border-repeat: round;
-webkit-mask-border-width: 27px;
mask-border-width: 27px;
-webkit-mask-border-slice: 27;
mask-border-slice: 27;
}