How to align form at the center of the page in html/css

Question

I am new to html/css. i am trying to build up my own form and i am trying to align it in the center. I used the align property in css but its not working.

Html code:

Answer 1

Like this

demo

css

    body {
    background-color : #484848;
    margin: 0;
    padding: 0;
}
h1 {
    color : #000000;
    text-align : center;
    font-family: "SIMPSON";
}
form {
    width: 300px;
    margin: 0 auto;
}