This is an example of a sign-up form with a blue background, designed using CSS, HTML, and Bootstrap framework 4. The font and CSS styles are imported to the code with their URLs. The form consists of the input text fields and the 'Sign up' button'. The body of the form is given the styles of font color as #fff, background color as #344a71, and the font-family style as 'Roboto', sans-serif. The information card is given a width of 400px, font color as #9ba5a8, background color as #fff, box-shadow style as 0px 2px 2px rgba(0, 0, 0, 0.3). The form title is given a font color as #333, and the font-weight style as bold. The input text field labels are displayed with a font-size of 14px. The text fields are given a border color of #e1e4e5, which gets changed to #49c1a2, in the focus mode. The 'Signup' button is displayed with a font-size of 16px and given a background color of #49c1a2, which gets changed to #3cb094, on hover. Source: https://www.tutorialrepublic.com/snippets/preview.php?topic=bootstrap&file=cool-sign-up-form