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

body {
    margin: 50px auto;
    width: 100%;
    height: auto;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.img {
    width: 100%;
    max-width: 500px;
}

.usuarioBtn {
    border: 2px solid gray;
    border-radius: .5rem;
    box-shadow: 3px 3px 10px rgb(66, 66, 66);
    padding: 5px 10px;
    width: auto;
    background: rgb(255, 255, 255);
    color: rgb(0, 0, 0);
    font-family: sans-serif;
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 2px;
    transition: 
        background 300ms ease,
        color 300ms ease;
}

.usuarioBtn:hover {
    background: rgb(0, 0, 0);
    color: rgb(255, 255, 255);
}

/* DescubleNumero */
.DescubleNumero {
    margin-top: 50px;
    border: 1px solid black;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}