body {
    background-image: radial-gradient(ellipse farthest-corner at center bottom, rgba(255, 5, 5, 0.6) 5%, #000 100%);
    background-color: #000;
    background-size: 100% 100%;
    background-attachment: fixed;
}

span {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 4px;
    width: 300px;
    background-color: #770000;
    border-radius: 50px;
    font: 20px verdana;
    color: #fff;
    margin: 0 auto;
}

p {
    margin: 5px;
}