body{
font-family: 'Open Sans', sans-serif;
background-color: #f4f4f9;
color: #333;
margin: 0;
padding: 2rem;
}
form {
max-width: 400px;
margin: 0 auto; 
background-color: #ffffff;
padding: 2rem;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
h1{
    text-align: center;
margin-bottom: 2rem;
}
#submit{
   width: 100%;
padding: 1rem;
background-color: #0056b3;
color: white;
border: none;
border-radius: 4px;
font-size: 1.1rem;
font-weight: bold;
cursor: pointer;
margin-top: 1rem;
}
#submit:hover{
    background-color: #004494;
}
.gruppo-input{
    display: flex;
flex-direction: column;
margin-bottom: 1.5rem;
}
.gruppo-input label{
    margin-bottom: 0.5rem;
font-weight: bold;
}
.gruppo-input input{
    padding: 0.75rem;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
font-family: inherit;
}
@media (min-width: 768px) {
    .gruppo-input {
        flex-direction: row;
        align-items: center;
    }
    .gruppo-input label {
        width: 120px;
        margin-bottom: 0;
        margin-right: 1rem;
    }
    .gruppo-input input {
        flex: 1;
    }
}