HTML

<video controls>
        <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge.mp4" type="video/mp4">
        <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge.ogg" type="video/ogg">
        <track label="English" kind="subtitles" srclang="en" src="bridge-captions.vtt" default>
      </video>
      
      <h2>Audio Example</h2>
      
      <audio controls>
        <source src="http://treehouse-code-samples.s3.amazonaws.com/html-video-and-audio/bridge-audio.mp3" type="audio/mp3">
      </audio>

Responsive Header Top Bar Contact Info with Icons

HTML

<ul class="top-header">
    <li class="address">
       <a href=""><i class="fas fa-map-marker"></i>
            <span></span>
        </a> 
    </li>
    <li class="tel">
        <span>
           <a href="tel:"><i class="fas fa-phone"></i>
                
            </a> 
        </span>
    </li>
    <li class="mail">
        <a href="mailto:"><i class="fas fa-envelope"></i>
            <span></span>
        </a>
    </li>
    <li>
        <a target="_blank" href="">
            <i class="fab fa-facebook-f"></i> <span>Facebook</span>
        </a>
    </li>
</ul>

CSS

/* Mobile First */
.top-header li a:hover, 
.top-header li a i:hover{
    color: #EA6F22
}
.top-header{
    display: flex;
    background: #151211;
    color: white;
}

.top-header {
	margin-bottom: 0;
	padding: 10px;
	font-size: 1.6rem;
	color: rgba(255,255,255,.8);
	justify-content: space-around;
}
.top-header span{
    display: none;
}
.top-header .fab,
.top-header .fas {
	margin: 0 10px;
	font-size: 3rem;
}


/* Small devices (tablets, 768px and up) */
@media (min-width: 768px) {  
    .top-header .fas,
    .top-header .fab{
	font-size: 1.5rem;
}

Social Media Icons

<ul class="social-icons">
   <li>
       <a href="tel:">
            <i class="fas fa-phone"></i>
       </a>
    </li>
    <li>
       <a href="mailto:">
            <i class="fas fa-envelope"></i>
       </a>
    </li>
    <li>
       <a target="_blank" href="https://www.facebook.com/">
            <i class="fab fa-facebook-f"></i>
       </a>
    </li>
    <li>
       <a target="_blank" href="">
            <i class="fab fa-youtube"></i>
       </a>
    </li>
    <li>
       <a target="_blank" href="">
            <i class="fab fa-yelp"></i>
       </a>
    </li>
</ul>

Hook in Genesis

//SOCIAL ICONS
add_action('genesis_header', 'add_social_icons');
    function add_social_icons(){
            include('inc/social.php');
}