This file contains short answers, hints and teacher notes for the exercises in lessons 1–10.
Lesson 1
Lesson 2
p.main: #main.note: .note.Lesson 3
color: red;.font-size: 20px;.Lesson 4
padding: 10px; border: 1px solid #ccc;.Lesson 5
display:flex; gap:10px; and justify-content:center;.Lesson 6
position: relative; vs position: absolute; explanation and typical uses.Lesson 7
@media (max-width:600px){ ... }.Lesson 8
transition: background-color 0.3s ease;.Lesson 9
input:focus{outline:none; box-shadow:0 0 0 2px #bde;}.Lesson 10
Teacher notes
examples/lessonN.html and edit the CSS live.