Individual List:
1. The "main" css property is written like an html tag on line 15.
2. The body property uses the wrong bracket on line 26.
3. There is a random 4 on line 35.
4. The note on line 52 uses angle brackets instead of slashes.
5. Line 20 display: diamonds; diamonds not an active attribute of display.
6. On line 46, height is spelled as "hight".
7. Line 67 should not be class div.
8. Line 17 aside is written as class div.
9. Line 36 should be written as #menu-icon: hover.
Group List:
1. Line 5 — don’t close "main" in CSS.
2. Line 6 – Typeface family instead of font family.
3. Line 10 margin needs unit of measurement.
4. Line 11 padding needs unit of measurement.
5. Line 12 padding needs unit of measurement.
6. Line 13 margin needs unit of measurement.
7. Line 15 main ended incorrectly. No need to close main in CSS.
8. Line 20 - display: diamonds; WRONG.
9. Line 26 - wrong bracket used.
10. Line 35 - number 4?
11. Line 52 - triangle brackets instead of slashes to add note to CSS.
12. Line 25 and 63 - information repeated.
13. Line 33 - color spelled as "colour".
14. Line 45 - Capital W.
15. Line 46 – Height spelled wrong.
16. Line 36 :hover#menu-icon reverse order, should be #menu-icon:hover.
17. Line 67 shouldn’t be div.
18. Line 54-67 links in wrong order. Should be ordered as: visited, hover, active.