If you want to display more information in a small space of a webpage, you want to use 'Toggle panel'. This way user only have to click on a link or a tab (based on your design) to display the information within that less space. The other pane will collapse automatically to give a toggle effect.
In this tutorial, we will learn how to create the effect in a HTML web page using only CSS. We will not use any JavaScript for this. Continue reading to learn more.