body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f2f2f2;
    text-align: center;
}
.contenedor {
    width: 450px;
    margin: 80px auto;
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 0 10px gray;
}
h1, h2 {
    color: #003366;
}
label {
    display: inline-block;
    width: 130px;
    text-align: right;
    margin-right: 5px;
    font-weight: bold;
}
input[type=text], input[type=password] {
    width: 60%;
    padding: 5px;
    margin: 5px;
}
button {
    padding: 6px 20px;
    margin-top: 10px;
    cursor: pointer;
}
a {
    color: #0040ff;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}