body {
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 600px;
    flex-direction: column;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    display: block;
    margin: 0 auto;
}

.formulario {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    margin-top: 20px;
}

.formulario input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    box-sizing: border-box;
    font-size: 15px;
}