@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

#home {
    background-color: #000a;
    border-color: #555;
    border-radius: 10px;
    border-style: solid;
    border-width: 1px;
    box-shadow: 0 5px 5px #000a;
    cursor: pointer;
    fill: #fff;
    height: 30px;
    right: 1rem;
    padding: 5px;
    position: fixed;
    bottom: 1rem;
    width: 30px;
    z-index: 99;
}

body {
    background-color: #222;
    color: #fff;
    display: flex;
    flex-direction: column;
    font-family: 'Roboto', sans-serif;
    height: 100vh;
    overflow: hidden;
    place-content: center;
    place-items: center;
}

button {
    background-color: purple;
    border-color: maroon;
    border-radius: 5px;
    border-style: solid;
    border-width: 3px;
    color: white;
    font-size: 14px;
    letter-spacing: 2px;
    margin: 10px 0;
    overflow: hidden;
    padding: 20px 30px;
    position: relative;
    text-transform: uppercase;
}

button:focus {
    outline: none;
}

.ripple .circle {
    animation: scale 500ms ease;
    background-color: white;
    border-radius: 50%;
    height: 50px;
    position: absolute;
    transform: translate(-50%, -50%)
               scale(0);
    width: 50px;
}

@keyframes scale {
    to {
        opacity: 0;
        transform: translate(-50%, -50%)
                   scale(3);
    }
}