<!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>Document</title>
</head>

<body>
    <div >
        <div ></div>
        <div ></div>
        <div ></div>
        <div ></div>
        <div ></div>
    </div>
</body>

</html>

<style>
    html,
    body {
        width: 100%;
        height: 100vh;
        padding: 0;
        margin: 0;
        background-color: #fff;
        background-image: linear-gradient( 109.6deg,  rgba(24,138,141,1) 11.2%, rgba(96,221,142,1) 91.1% );
    }

    .rbutton {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: row;
    }

    .rbutton-item {
        transition: .2s;
        width: 100px;
        height: 100px;
        margin: 10px;
        background-color: rgba(255, 255, 255, .1);
        ;
        border-radius: 20px;
        box-shadow:  
            8px 8px 16px rgba(0, 0, 0, .3),
            inset 8px 8px 16px rgba(255, 255, 255, .3),
            inset -8px -8px 16px rgba(0, 0, 0, .3);
    }

    .rbutton-item:hover {
        transform: translateY(-2px);
        box-shadow:  
            8px 8px 16px rgba(0, 0, 0, .3),
            inset 8px 8px 16px rgba(255, 255, 255, .3),
            inset -8px -8px 16px rgba(0, 0, 0, .3);
    }

    .rbutton-item:active {
        transform: scale(1.05);
        border-radius: 25px;
        box-shadow:
            4px 4px 8px rgba(0, 0, 0, .3),
            inset 4px 4px 8px rgba(255, 255, 255, .3),
            inset -4px -4px 8px rgba(0, 0, 0, .3);
    }
</style>
Document