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<!-- Code added to every pen -->
<div class="credits"><a class="other-pens" href="https://codepen.io/PickJBennett/" target="_blank" rel="external noopener"><svg class="credits-logo codepen-logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" width="0" height="0"><path d="M255.8 87.1c-.05-.32-.1-.63-.2-.94-.04-.18-.1-.35-.16-.53-.08-.27-.17-.54-.28-.8l-.25-.54c-.1-.3-.2-.5-.3-.8l-.3-.5-.4-.7-.4-.5-.5-.6-.4-.5-.6-.5-.5-.4c-.03-.1-.1-.1-.2-.2l-117-78c-3.7-2.5-8.5-2.5-12.2 0L5 79.7c-.06.04-.1.1-.17.13l-.5.36-.63.5-.48.4c-.2.2-.4.4-.55.6l-.37.5-.45.6-.32.5c-.14.26-.26.5-.37.75l-.25.52c-.1.23-.2.5-.2.8l-.2.6c-.1.3-.15.6-.2.9l-.1.47c-.1.5-.1.95-.1 1.44v78c0 .5 0 1 .1 1.46l.1.48c.07.3.1.62.2.93l.2.5c.08.3.17.6.27.8l.25.53.4.73.3.5c.1.23.3.44.5.65l.3.46c.2.2.3.4.5.6.2.15.3.3.5.4l.6.55.5.4.15.18 116.95 78c1.84 1.25 3.95 1.87 6.1 1.86 2.13 0 4.24-.63 6.1-1.86l117-78c.1-.05.1-.1.2-.15l.5-.37.6-.5c.15-.1.3-.27.44-.4.2-.2.4-.4.57-.6.16-.17.3-.3.4-.5.18-.2.34-.4.48-.65l.3-.5.36-.76c.1-.14.14-.3.22-.5l.3-.8.15-.53c.1-.3.12-.6.2-.9 0-.2.05-.34.1-.5.04-.5.1-.95.1-1.44V89c0-.5-.07-.96-.1-1.44 0-.17-.1-.3-.1-.47zM128 154l-38.9-26 38.9-26.02L166.9 128 128 154.02zm-11-71.15l-47.7 31.9L30.8 89 117 31.57v51.3zM49.52 128l-27.5 18.4v-36.8L49.5 128zm19.8 13.24l47.68 31.9v51.3L30.8 167l38.5-25.74zm69.68 31.9l47.7-31.9 38.5 25.74-86.2 57.46v-51.3zM206.47 128L234 109.6v36.8L206.46 128zm-19.78-13.23L139 82.87v-51.3L225.2 89l-38.5 25.77z"/></svg>Check out my other pens</a> <a id="js-tweet-this" href="https://twitter.com/PickJBennett" target="_blank" rel="external noopener"><svg class="credits-logo twitter-logo" id="js-twitter-logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 273.39 222.18" width="0" height="0"><path d="M273.4 26.3c-10.07 4.46-20.88 7.48-32.22 8.83 11.58-6.94 20.47-17.93 24.66-31.03C255 10.53 243 15.2 230.22 17.7 220 6.8 205.42 0 189.28 0c-30.98 0-56.1 25.1-56.1 56.1 0 4.38.5 8.66 1.46 12.77-46.6-2.34-87.94-24.67-115.6-58.6-4.84 8.28-7.6 17.92-7.6 28.2 0 19.45 9.9 36.62 24.95 46.68-9.2-.3-17.85-2.8-25.41-7.02-.02.24-.02.47-.02.7 0 27.2 19.33 49.86 45 55-4.7 1.3-9.67 1.98-14.78 1.98-3.62 0-7.13-.35-10.56-1 7.14 22.28 27.85 38.5 52.4 38.95-19.2 15.05-43.38 24-69.66 24-4.53 0-9-.25-13.38-.77 24.82 15.9 54.3 25.2 85.98 25.2 103.17 0 159.6-85.47 159.6-159.6 0-2.42-.07-4.84-.18-7.24 10.96-7.9 20.47-17.8 28-29.04z"/></svg></a></div>
              
            
!

CSS

              
                /* Please ❤ this and follow me if you like it! */




























:root {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-o-box-sizing: border-box;
	box-sizing: border-box;
	cursor: default;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	-o-user-select: none;
	user-select: none;
}

*,
:before,
:after {
	-webkit-box-sizing: inherit;
	-moz-box-sizing: inherit;
	-ms-box-sizing: inherit;
	-o-box-sizing: inherit;
	box-sizing: inherit;
}

html, body {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	display: block;
	width: 100%;
	height: 100%;
}

html {
	overflow: hidden;
}

body {
	margin: 0;
	overflow: auto;
	overflow-x: hidden;
	overflow-y: scroll;
	-webkit-overflow-scrolling: touch;
	-moz-overflow-scrolling: touch;
	-ms-overflow-scrolling: touch;
	-o-overflow-scrolling: touch;
	overflow-scrolling: touch;
	-ms-overflow-style: ms-autohiding-scrollbar;
}

#page-wrap {
	position: relative;
	display: block;
	clear: both;
	background: none;
	color: #000;
	text-decoration: none;
	padding: 3rem 0;
	width: 100%;
	height: 100%;
}

#inner-wrap {
	position: absolute;
	top: 3rem;
	left: 0;
	right: 0;
	bottom: 3rem;
	display: table;
	width: 100%;
	height: 100%;
	min-height: 322px;
	overflow: visible;
}

.logo {
	position: absolute;
	z-index: 1;
	top: 3rem;
	left: 2rem;
	display: block;
	width: 9vmax;
	height: 9vmax;
	min-width: 50px;
	min-height: 50px;
}

.waves {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	display: block;
	min-width: 100%;
	min-height: 70%;
	margin: auto 0;
}

.text {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	display: block;
	width: 83%;
	height: 100%;
	margin: auto;
}

img, svg {
	display: block;
	overflow: visible;
	pointer-events: none;
}

.group:before,
.group:after {
  content: "";
  display: table;
  clear: both;
}
.group {
  zoom: 1;
}





.credits {
	position: relative;
	z-index: 9;
	font-size: 130%;
	text-align: center;
	width: 100%;
	padding: 2rem 0;
}

.credits a {
	display: inline-block;
	color: #df1888;
	font-family: Arial, sans-serif;
	line-height: 1.5em;
	text-decoration: none !important;
	white-space: nowrap;
	margin: 0 1.2em;
	padding: 0.6em 0;
	transition: 150ms;
}

.credits a:hover {
	color: #2d71b9;
	cursor: pointer;
}

.credits-logo {
	fill: currentColor;
	display: inline-block;
	vertical-align: bottom;
	width: 1.6em;
	height: 1.6em;
	margin: 0 0.5em 0 0;
}

              
            
!

JS

              
                /* Please ❤ this and follow me if you like it! */




























// Working with credits

var cpCreditsUrl = "https://codepen.io/PickJBennett/details/BdbrMW";
var cpCreditsTitle = "🌈 Sexy Animated Rainbow Waves Header";
var cpCreditsTwitter = document.getElementById("js-tweet-this");
cpCreditsTwitter.href = "https://twitter.com/intent/tweet?text=" + encodeURI(cpCreditsTitle) + "&url=" + encodeURI(cpCreditsUrl) + "&via=PickJBennett&related=PickJBennett,CiaoFileManager";
cpCreditsTwitter.innerHTML += "Tweet This Pen";
              
            
!
999px

Console