div.p-6 {
    text-align: center;
}

button, input[type="submit"] {
    background:teal;
    border-radius:5px;
    padding:5px;
    color:white;
    margin:15px;
}

input.formulario {
    margin: 0.5rem;
    background-color: white;
    border-radius: 5px;
    padding: 5px;
}

input.formulario.numero-input {
    width: 3rem;
}

h1 {
    margin-left: auto;
    margin-right: auto;
}