Heart Beating Effect

<!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>Heart Beating Effect</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        body { background-color: #383838; }

        section {
            width: 100%;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        div.heart {
            width: 200px;
            height: 160px;
            position: relative;

            animation: beating 1s infinite ease-in-out;
        }

        div.heart::before,
        div.heart::after {
            background-color: #f00;
            position: absolute;
            content: '';
            width: 50%;
            height: 100%;
            top: -50%;
            border-radius: 50px 50px 0 0;

        }

        div.heart::before {
            left: 15%;
            transform: rotate(45deg);
            transform-origin: 0 100%;
        }

        div.heart::after {
            left: 35%;
            transform: rotate(-45deg);
            transform-origin: 100% 100%;
        }

        @keyframes beating {
            0% {
                transform: scale(1);
            }

            30% {
                transform: scale(0.8);
            }

            50% {
                transform: scale(1);
            }

            70% {
                transform: scale(1.2);
            }

            100% {
                transform: scale(1);
            }
        }
    </style>
</head>
<body>
    <section>
        <div class="heart"></div>
    </section>
</body>
</html>

Result Screenshot(s)

Heart Beating EffectWorking Sample0