Today’s topic is a review of positioning with cascading style sheets and an intro to flexbox and CSS grid, and time to work on your websites. Here is a full summary of issues with float: from CSS-Tricks, a good site to know.
Reading review: HTML & CSS Chapter 15.
Take a look through the W3Schools CSS, and be able to answer their quiz.
Here is a good reference list for current CSS-3 properties at CSS3.info (look at the preview section) and a quick Top 10 CSS-3 features to start with. But that site has no demos so I redid them (DART430 class). And here's the direct link to Google's fonts (@font-face). Other key CSS sites for ideas and "look-and-feel" include:
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