css Audio - Active file-generic CSS - Active Generic - Active HTML - Active JS - Active SVG - Active Text - Active file-generic Video - Active header Love html icon-new-collection icon-person icon-team numbered-list123 pop-out spinner split-screen star tv
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When Bootstrap 3.2 came out, it came out with an additional helper class to make it easier to make iframes (like YouTube embeds) responsive while maintaining a certain aspect ratio. It’s extremely easy to use these, just add the following code to your markup:

This Pen is a fork of Nicholas Cerminara's Pen Use Heading Classes to Save Time and Stay Semantic.

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