<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="shortcut icon" type="image/x-icon" href="https://static.codepen.io/assets/favicon/favicon-aec34940fbc1a6e787974dcd360f2c6b63348d4b1f4e06c77743096d55480f33.ico" />
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<title>CodePen - CSS Grid: Card Variations</title>
<link href="https://fonts.googleapis.com/css?family=Poppins:300,300i,500,500i,700" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/simple-line-icons/2.4.1/css/simple-line-icons.min.css'>
<style>
:root {
--canvasColor: #f9f9f9;
}
body {
background: var(--canvasColor);
font-family: "Poppins", sans-serif;
font-weight: 300;
line-height: 1.5;
font-size: 16px;
text-align: center;
transition: all .3s ease;
}
* {
box-sizing: border-box;
}
main {