This is an example of a web form with a date picker, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The date picker provides a date range to select from. The functionality of the date-picker is designed using JavaScript methods. The body of the form is given a font-color of color: #000, and a background color of #66BB6A. The input fields of the date-picker has the styles of padding as 30px 15px, border as 1px solid lightgrey, border-radius as 10px, box-sizing as border-box, background-color as #fff, font color as #4CAF50, font-size as 18px, letter-spacing as 1px, and font-weight as bold. The text alignment of the first field is set as left whereas the text-alignment for the second one is set as right. The fields take a border effect if 1px solid #512DA8, in a focus event. When a date is picked, the date slot takes the styles of border-radius as 50% to get the circle shape, background-image as linear-gradient(#90CAF9, #64B5F6), and font color as #fff. Media quarries are used to increase the responsiveness of the form. Source: https://bbbootstrap.com/snippets/green-themed-datepicker-date-range-54853616

This is an example of a contact us form with a date picker and text area, designed using HTML, CSS, JavaScript, and Bootstrap framework 4. The font style is imported to the form using its URL. The background of the form is set to red, with the display style given as grid to display the information in a grid layout and the font style is set as Manrope', sans-serif. The form card has the styles of word-wrap as break-word to allow breaking and wrapping long words onto the next line, and the background-color as #fff. The 'Send Message' button as a success type button and given a background color of #ff5300, and a font color of #fff, which turns into the background color of #ff0000, in a hover event. The JavaScript methods have been used to develop the functionality of the date picker. The input text fields take a border color of #ff5300, and a box shadow of 0 0 0 1px RGB(255, 255, 255), in a focus event. Source:https://bbbootstrap.com/snippets/bootstrap-contact-us-form-datepicker-and-text-area-87033260

This is an example of a date-picker with two months shown in the calendar view, designed using CSS, HTML, JavaScript, and Bootstrap framework 4. The calendar has been imported to the code with its JQuery library and the JavaScript methods have been used to implement its functions. The body of the form is given a background color of #FFEE58. The title of the page is displayed using a font-size of 18px. The input field to select the date range, is given the styles of border as 1px solid #CFD8DC, border-radius as 4px, box-sizing as border-box, background-color as #fff, font color as #000, font-size as 16px, and letter-spacing as 1px. The input field takes a border style of 1px solid #FFA000, in a focus event. The month is displayed using a font-size of 16px. The date slots of the calendar, turn their background color to #EEEEEE, in hover. Source: https://bbbootstrap.com/snippets/date-range-datepicker-two-months-shown-91403399