* {
    margin: 0;
    padding: 0;
    border: 0;
}
body{
    width: 100%;
    height: 100vh;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
}
.show_content {
    color: white;
    font-size: 50px;
    text-align: center;
}
.num_show {
    font-family: monospace
}