Html5 Academy

I'm trying to have a popup appear when hovering over a div. It is working properly, I think, ex… Read more Hover Popup Causes Main Div To Expand

I want to make every first letter typed in a textarea be uppercase. But when I try this code, it do… Read more Css ::first-letter On Textarea Does Not Work

I know that the :before, and :after pseudo elements are not supported in empty elements, but what a… Read more List Of Html Elements That Support The Css :before And :after Pseudo Elements

I want to add absolutely positioned element as an :after (of :before) of a table row. Look at this:… Read more Is It Possible To Use Pseudo-elements (:after, :before) Inside A Table Row?

It appears to me that Chrome does not treat 'before' pseudoelement as a part of an element.… Read more Before Pseudoelement In Chrome

I have a div element with a triangle-border and I'm trying to place an image above it using an … Read more Pseudo-element Background Image Doesn't Appear

In an attempt to make an arrow in pure CSS for my tooltip, I ran across a problem in Firefox: I tr… Read more Weird Dark Border :after Css Arrow In Firefox

I have the following fiddle set up with a sample on how to style a select box with CSS3. I'm ha… Read more Css3 Ie9 Click Through Pseudo-element?