This is an example of a simple free trial signup form, designed using HTML, CSS, and Bootstrap framework 4. The form is given a background color of #4763a7. The card consists of a sign-in link, input text fields, 'Forgot password' checkbox, and a 'Signup; button. The information card is given a border-radius of 8px. The sign-in link is displayed using the styles of font color as #db0a5b, font-weight as 600, and takes a font-color of #b90b4f, on hover. The input text fields are given the styles of margin-top as 13px, and height as 49px. The text input fields take a border style of 1px solid #db0a5b, in a focus event. The 'Sign up' button is created as a danger type button and given the styles of height as 40px, and border-radius as 4px. Source: https://bbbootstrap.com/snippets/bootstrap-start-free-trial-signup-form-84637784