This an example of a stylish signup form layout, designed using CSS, HTML, and Bootstrap framework 4. The background images, social media icons have been imported to the code with their URLs. The body of the form is given a background color as #f6f5f5, and a font family style as "Open Sans", sans-serif. The information container has the styles of width as 50em, height as 25em, border as solid 1px rgba(20, 83, 116, 0.2), background-color as #f6f5f5, and box-shadow as 2px 2px 15px rgba(20, 83, 116, 0.2). The left side panel is given a background color as #00334e, with its title displayed with the styles of font-size as 3em, font-weight as 400, and font color as #ee6f57. The two shapes on the that panel takes transform effects of rotate(35deg), and rotate(50deg), in a hover event. The input text fields take the border style of solid 1px #145374 on hover, and take the styles of color as #145374, font-weight as 600, and border as solid 1px #145374, in a focus event. The 'Signup' button is given a border style of 1.5px #145374, which gets changed to solid 2px #ee6f57 on hover. Source: https://codepen.io/keikei39/pen/KKMdqwo

This is another signup/sign-in form layout with a slider feature, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The background image has been imported into the code. The form consists of two panels to sign in and signup and is given the ability to switch the panels upon clicking on the buttons. The JavaScript methods have been used to implement the functionality of the sliding panel and the resizing of the form to the window size. The form is given a font family style as 'Cairo', sans-serif, and background color as #330055. The input text fields are given the styles of font-size as 12px, background-color as #e8ebe4, border-bottom style as 2px solid #b8bacf. In the focus mode, the text fields take the background color of #d2d5dd. The 'Sign in' button is given a background color as linear-gradient(135deg, #3c8ce7 10%, #00eaff 100%), font color as white, and border style as 1px solid white. The button takes the border style as 1px solid #3c8ce7, font color as #3c8ce7, and turn the background to transparent in a hover event. The 'Signup;' button changes its color to white, on hover. Source: https://codepen.io/moosasaadat/pen/pozZzBz

This is another example of a stylish sign in/ sign up page, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The form consists of two panels to sign in and signup and is given the ability to switch the panels upon clicking on the buttons. The JavaScript methods have been used to implement the functionality of the toggle panels. The form is given a font family style as "Montserrat", sans-serif. The information container is given a background color as #ebecf0, and a box-shadow style as -5px -5px 10px #fff, 5px 5px 10px #babebc. The input text fields and the social media icons are also given a box-shadow style of inset 7px 2px 10px #babebc, inset -5px -5px 12px #fff. The overlay panel that switches between the panels is given a background color of #ff4b2b. The cursor style for the buttons is set as pointer to get the hand cursor effect on hover and a text transform style as uppercase to automatically convert the characters of the text to uppercase. Source: https://codepen.io/Shruti-Ag/pen/YzywyKb

This is another sign in/ sign up form with a flipping animation, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The flipping function takes place upon clicking on the 'Sign in' and 'Signup' buttons, which is implemented using JavaScript methods. The font style has been imported to the code with its URL. The background color of the form is set as #444. The input text fields are given a background color as #DDD and a border style as 1.5px solid #DDD. The fields take a border effect as 1.5px solid black, in a hover event. The 'Sign in' button is given the styles of cursor style as pointer to get the hand cursor effect on hover, width as 140px, font color as whitesmoke, background color as #DDD, font-family as 'Raleway', and text-transform as uppercase to automatically convert the characters into uppercase. The button takes the background color of #222, and font color of whitesmoke, in a hover event. The flipping animation of the form is created by giving it's a transform effect of rotateY(180deg). Source: https://codepen.io/hanumaukkadapu/pen/eaOJEw

This is another example of a stylish sign in/ sign up form, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The JavaScript methods have been used to create dynamic HTML content. The background image and the font styles have been imported to the code with their URLs. The body of the form is given the background color of #E3E3E3. The users are given the ability to switch between the sign up/ and sign in panels. The title of the panels is displayed with the styles of font-family: 'Noto Serif', serif, font-size as 26px, and letter-spacing as 1px. The social media icons are given a border style as 1px solid #dd8d38, and font color as #dd8d38. In a hover event, the icons take the background color of #dd8d38 and the font color as white. The sign in and signup forms are given a box-shadow style as 0px 0px 38px 22px rgba(0,0,0,0.14). The 'Sign in' button is given a background color as #dd8d38, which gets changed to white in a hover event. The input text fields also take a border style of #dd8d38, on hover. Source: https://codepen.io/Darjan_Gardinovacki/pen/gNYEqe

This is an example of a signup/ login page, designed using CSS, HTML, and Bootstrap framework 4. The background image and the font style has been imported to the code with their URLs. The information container is given a background-color as #fff, box-shadow as 0 0 15px 1px #3E4E5B, and a max-width as 420px. The Close button is given a background color as #75A4A, which gets changed to #3E4E5B, on hover. The title of the form is displayed with a font-weight as bold and font color as #3E4E5B. The input text fields are given a style set of font-size as 1em, color as #3E4E5B, and border-bottom as 1px solid #75A4A6. In a hover event, the fields take the styles of color as #3E4E5B, and a border-bottom style as 1px solid #577783. The 'Signup' button is given the styles of font color as #fff, background-color as #3E4E5B, and border-radius as 4px, and takes the background color of #577783, in a hover event. Source: https://codepen.io/rikanutyy/pen/oZRxgj