#loginform {
    margin: 100px auto 0; 
    width: 300px;
}

#loginform form {
    display: block;
    width: 300px;
    height: 150px;
}

#loginform #loginError {
    display: block;
    width: 200px;
    margin: 0 auto 15px;
    color: red;
    text-align: center;
}

#loginform input {
    display: block;
    width: 200px;
    margin: 0 auto 15px;
}

#loginform input[type=submit] {
    width: 100px;
}