<header>
<h1>Header Content</h1>
<img src="http://erikdkennedy.com/r-r-r-random/divider-triangle.png" class="divider" />
</header>
<section>
<h1>Section Content</h1>
</section>
header {
position: relative;
height: 300px;
background-image: linear-gradient(#ff9d2f, #ff6126);
}
h1 {
margin: 0;
padding: 100px 0;
font: 44px "Arial";
text-align: center;
}
header h1 {
color: white;
}
.divider {
position: absolute;
bottom: 0;
left: 0;
right: 0;
width: 100%;
height: 100px;
/* drop the height to have a constant angle for all screen widths */
}
Also see: Tab Triggers