Fix unmatched h3-tags

examples/auto-animate.html

@@ -125,7 +125,7 @@
 				</section>
 
 				<section data-auto-animate style="height: 600px">
-					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 1</h2>
+					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 1</h3>
 					<h2 data-id="title" style="margin-top: 260px;">Animate Anything</h2>
 					<div data-id="1" style="background: white; position: absolute; top: 150px; left: 16%; width: 60px; height: 60px;"></div>
 					<div data-id="2" style="background: white; position: absolute; top: 150px; left: 36%; width: 60px; height: 60px;"></div>
@@ -133,7 +133,7 @@
 					<div data-id="4" style="background: white; position: absolute; top: 150px; left: 76%; width: 60px; height: 60px;"></div>
 				</section>
 				<section data-auto-animate style="height: 600px">
-					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 2</h2>
+					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 2</h3>
 					<h2 data-id="title" style="margin-top: 500px">With Auto Animate</h2>
 					<div data-id="1" style="background: cyan; position: absolute; bottom: 190px; left: 16%; width: 60px; height: 60px;"></div>
 					<div data-id="2" style="background: magenta; position: absolute; bottom: 190px; left: 36%; width: 60px; height: 160px;"></div>
@@ -141,7 +141,7 @@
 					<div data-id="4" style="background: red; position: absolute; bottom: 190px; left: 76%; width: 60px; height: 360px;"></div>
 				</section>
 				<section data-auto-animate style="height: 600px">
-					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h2>
+					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h3>
 					<h2 data-id="title" style="margin-top: 500px; opacity: 0;">With Auto Animate</h2>
 					<div data-id="1" style="background: cyan; position: absolute; top: 50%; left: 50%; width: 400px; height: 400px; margin: -200px 0 0 -200px; border-radius: 400px;"></div>
 					<div data-id="2" style="background: magenta; position: absolute; top: 50%; left: 50%; width: 300px; height: 300px; margin: -150px 0 0 -150px; border-radius: 400px;"></div>
@@ -149,7 +149,7 @@
 					<div data-id="4" style="background: red; position: absolute; top: 50%; left: 50%; width: 100px; height: 100px; margin: -50px 0 0 -50px; border-radius: 400px;"></div>
 				</section>
 				<section data-auto-animate style="height: 600px">
-					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h2>
+					<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h3>
 					<h2 data-id="title" style="margin-top: 500px; opacity: 0;">With Auto Animate</h2>
 					<div data-id="1" style="background: red; position: absolute; top: 250px; left: 16%; width: 60px; height: 60px;"></div>
 					<div data-id="2" style="background: yellow; position: absolute; top: 250px; left: 36%; width: 60px; height: 60px;"></div>