Code needs to be written so that it can be read and understood by other people, not just be functional.
The var_dump() function allows you to see what a variable’s data type is, and what it’s value is. var_dump() https://www.php.net/manual/en/function.var-dump.php https://www.w3schools.com/php/func_var_var_dump.asp varDump.php
With CSS you can create shapes to add visual elements to your HTML documents. Shape Examples: https://www.w3schools.com/howto/howto_css_shapes.asp shapeStyle.css shape.html
You can do some interesting things with color on your HTML pages with color options with CSS. Color Picker: https://www.w3schools.com/colors/colors_picker.asp Color Names: https://www.w3schools.com/colors/colors_names.asp color.html colorStyle.css