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added idea for a animated gradient border from a youtube short I watched, forget author

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Robert McGovern 2022-04-01 03:40:21 +01:00
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commit ea94fb7a42
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Animated Gradient Border</title>
<style>
*,
::before,
::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html,
body {
height: 100%;
}
body {
background-color: black;
color: white;
text-align: center;
}
main {
display: grid;
place-content: center;
height: 100%;
}
.card {
display: flex;
flex-direction: column;
position: relative;
/* border: 1px solid red; */
width: 20ch;
background-color: black;
}
/* this is the one where the magic happens */
.card::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: calc(100% + 8px);
height: calc(100% + 8px);
transform: translate(-4px, -4px);
/* play with the degrees till you are happy with the animation effect */
background: linear-gradient(60deg, #5ff281, #5f86f2, #a65ff2, #f25fd0, #f25f61, #f2cb5f), 0 50%;
/* effectively zooming in on the colors, needs to be higher than 100% 100% */
background-size: 300% 300%;
/* can be whatever you want, but card must also have the same border radius */
border-radius: 8px;
/* to make it appear as just the border, need a color set for the background of the card */
z-index: -1;
animation: animated-gradient 2.5s alternate infinite;
}
.card h2 {
margin-top: 1rem;
margin-bottom: 2rem;
}
.card .card__price-per-month {
margin-bottom: 2.5rem;
}
.card .link {
margin-bottom: 1.5rem;
}
.card a {
text-decoration: none;
color: white;
padding: 0.5rem 1rem;
border: 2px solid white;
/* for pill shape */
border-radius: 20%/50%;
}
.card a:is(:focus, :hover) {
background-color: rgb(67, 64, 64);
}
@keyframes animated-gradient {
50% {
background-position: 100% 50%;
}
}
</style>
</head>
<body>
<header>
<h1>Animated Gradient Border</h1>
<p>From a youtube short video, link to be added later.</p>
</header>
<main>
<div class="card">
<h2>Premium</h2>
<div class="card__price-per-month">
<span>$20</span>
<span>/</span>
<span>month</span>
</div>
<div class="link"><a href="#">Get started</a></div>
</div>
</main>
</body>
</html>