Rainbow

index.html

<link href="https://fonts.googleapis.com/css2?family=Parisienne&display=swap" rel="stylesheet">

<button class="rainbow noselect">Rainbow</button>

rainbow.markdown

Rainbow

A Pen by Chance Squires on CodePen.

License.

style.css

body {
	height: 100vh;
	overflow: hidden;
	background-color: #63a4ff;
	background-image: linear-gradient(315deg, #63a4ff 0%, #83eaf1 74%);
	display: flex;
	align-items: center;
	justify-content: center;
}

.noselect {
  -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}

.rainbow {
	width: 150px;
	height: 50px;
	cursor: pointer;
	font-family: 'Parisienne', cursive;
	font-size: 30px;
	color: white;
	border: none;
	box-shadow: inset 1px 1px 4px rgba(0,0,0,0.6), inset -1px -1px 4px rgba(255,255,255,0.2);
	border-radius: 5px;
	background-color: #63a4ff;
	background-image: linear-gradient(315deg, #63a4ff 0%, #83eaf1 74%);
	-webkit-tap-highlight-color: transparent;
}

.rainbow:hover {
	animation: rainbow 3s infinite linear;
}

@keyframes rainbow {
	to {
		filter: hue-rotate(360deg);
	}
}

.rainbow:focus {
	outline: none;
}