By default, li list items will show same color bullets (when using un-ordered list ul) and same color numbers (when using ordered list ol). You can easily color to these by targeting marker pseudo element.
Adding line before and after text is a classic CSS effect. However, defining size of these before and after lines can be challenge which can be easily dealt with by using grid columns for dynamic widths.
Adding subtle 3D perspective to an image makes it standout easily. We have already seen image in heart shape and the trendy blob shape effect. Here is another image effect, would look great for person profile photos – specially on about page.
Making a big number cut off with a line effect done with CSS only. Now, this effect looks cool but it also has its limitations. Please Note: You would need to adjust the code for cut off line positioning depending on the font size, font type in the use.
If your layout is using a big section with a detailed background image, then adding a button with blur effect makes it less intrusive and yet visible for visitors to click. Note: This effect does not work in the Firefox browser (yet).