body {
    background-color: gray;
    box-sizing: border-box;
    margin: 0%;
    padding: 0%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
}

#texto {
    width: 200px;
    text-align: center;
    border-radius: 10px;
}