body {
    width: 100%;
    height: 100vh;
    height: 100svh;
    
    background-color: darkslategrey;
    color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    display: flex;
    flex-direction: column;
    text-align: center;

    margin: 0;
    padding: 0;
}

.output {
    font-size: 260px;
    margin: 0;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);    
}

p:not(.output) {
    margin-top: auto;
    font-size: 20px;
}