style.css

form{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 50px;

}
input{
    width: 300px;
    height: 30px;
    margin: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    padding: 5px;
}