Code demos

• Understanding :nth-child()
• Stacking contexts
• Fancy select menus
• MutationObserver
• WebVTT, CSS and @font-face
• Angle Converter
• CSS filter effects
• Media queries in SVG and background-size
• Page Visibility API
• getUserMedia() and CSS Filters
• Toggle ‘blind’ effect with CSS3 transitions
• IDBTaskList: A to-do list built using IndexedDB