This is an example of a vertical profile header, designed using HTML, CSS, and Bootstrap framework 4. The profile image is imported to the code with its URL. The concept of Lists has been used with UL and LI components. UL element has been used with the child elements of LI to display the child elements of the navbar, in an orderly manner. The upper section of the header is given a background color of #40E0D0, whereas the lower section of the header is given a background color as #20B2AA. The profile name is displayed using a font color of #fff, and a font-weight of 700. The navbar items take a box-shadow style of 0 -2px 0 #26B4FF inset, on hover and focus events. Media quarries have been used to increase the responsiveness of the form. The user description and other text lines are displayed using a muted text style. Source: https://www.bootdey.com/snippets/view/bs4-vertical-profile-header#css

This is an example of a stylish web page header with a navbar and hover effects, designed using CSS, HTML, and Bootstrap framework 4. The product image and font are imported to the code with its URL. The concept of Lists has been used with UL and LI components. UL element has been used with the child elements of LI to display the child elements of the navbar, in an orderly manner. The form is given a background color of #cecece. The navbar is given a font color as #fff and a border-bottom style of 1px solid #fff, to be active on hover. The Sports Shoes' text is given a font-color of #83ff00, which changes to #fff, on hover. The left side of the form is given a linear gradient background color of (to bottom, #ce0000, #7A0800 70%). The right side header is displayed using the styles of font-family as 'Allerta Stencil', sans-serif, font-size as 2.4em, and text-align as center. The 'Order' button is given the styles of border as 2px solid #83ff00, font color as #83ff00, border-radius as 30%, and transition as 0.7s, which changes its border style to 2px solid #ce0000, and font-color to #ce0000, on hover. Source: https://bbbootstrap.com/snippets/bootstrap-header-navbar-23316626

This is an example of a search box on header with image in background, designed using CSS, HTML styles and Bootstrap framework 4. The background image is imported to the code with its URL. The form is given the styles of padding as 40px, margin-bottom as 22px, font color as #fff, text-shadow as 0 1px 2px rgba(0, 0, 0, 0.25), background-color as #2e9df7, and box-shadow as 0 15px 15px -15px rgba(0, 0, 0, 0.25). The input text of the search bar is given the styles of font-family as "lucida grande", "Lucida Sans Unicode", tahoma, sans-serif, color as #333, font-size as 15px, padding as 3px;width as 250px, background as #fff, and border as 1px solid #999. The background color of the 'Go' button is set as #1268b3. The font-size for the button is set as 13px, and a text-transform style is given as uppercase to automatically convert the text to uppercase. Source: https://bbbootstrap.com/snippets/search-box-header-image-background-70660533

This is an example of a card header with tabs, designed using HTML, CSS, and Bootstrap framework 4. The card consists of three tabs. The body of the form is given the styles of font-family as "sans-serif", font-size as .88rem, font-weight as 400, line-height as 1.5, color as #495057, text-align as left, and background-color as #E91E63. The card is given the styles of box-shadow as 0 0.46875rem 2.1875rem rgba(4, 9, 20, 0.03), 0 0.9375rem 1.40625rem rgba(4, 9, 20, 0.03), 0 0.25rem 0.53125rem rgba(4, 9, 20, 0.05), 0 0.125rem 0.1875rem rgba(4, 9, 20, 0.03), and transition as all .2s. The card title has the styles of text-transform as uppercase to automatically convert the text to uppercase, color as rgba(13, 27, 62, 0.7), font-weight as bold, and font-size as .88rem. The card footer is given the styles of padding as .75rem 1.25rem, background-color as #fff, and border-top as 1px solid rgba(26, 54, 126, 0.125). The three tabs are given a font size as 0.8rem, and they take box-shadow effect of 0 0 0 0 rgba(82, 88, 93, 0.5), in a hover event. Source: https://bbbootstrap.com/snippets/card-header-tabs-24201356