The following slides introduce CSS.

Slide 7.1: CSS (Cascading Style Sheets) (video: 5:43 minutes)
Slide 7.2: CSS syntax
Slide 7.3: CSS id and class selectors
Slide 7.4: CSS how to ... (video: 2:20 minutes)
Slide 7.5: CSS how to ... (cont.)
Slide 7.6: CSS how to ... (cont.)
Slide 7.7: CSS background
Slide 7.8: CSS background (cont.)
Slide 7.9: CSS background (cont.)

  ☂ References

Slide 7.ⓐ: CSS tutorial from W3Schools






      “Sometimes one likes foolish people for their folly,    
      better than wise people for their wisdom.”    
      ― Elizabeth Gaskell, Wives and Daughters