Notes on Marquee Animation with CSS

Introduction

• Discussion on marquee animation, associated with age (deprecated marquee element).
• Focus on recreating marquee animations using CSS.
• Trend of using marquee elements in websites.
• Video split into two parts: 1. Text marquee 2. Logo marquee.

Part 1: Text Marquee

• Starting Point: Old-school marquee element still functioning but deprecated.
• Creating a New Marquee:
  • Add a new <div> for text.
  • Implement basic CSS styles (padding, text color, font size).

CSS Implementation Steps

1. Class Naming: Add marquee-text class to marquee div.
2. CSS Styles for Paragraphs:
   • Add border, border-radius, padding.
3. Flexbox Layout:
   • Set display: flex; to align texts in a single line.
   • Add gap property (4.8 rem) for spacing.
4. Prevent Scroll Bar:
   • Wrap marquee elements in another <div> called MarqueeTextTrack.
   • Set overflow to hidden.

Keyframe Animation

• Creating Animation:
  • Define keyframes marquee-move-text to translate X by -100%.
  • Apply animation to MarqueeTextTrack:
    • animation: marquee-move-text 10s linear infinite;
• Issue: Large gap and jumping effect when animation restarts.

Solution to Jumping Effect

• Duplicate Marquee Elements:
  • Duplicate texts to ensure smooth transition.
• Width Adjustment:
  • Set width of MarqueeTextTrack to max-content.
• Animation Play State:
  • Move with transform: translateX(-50%); for seamless looping.

Additional Adjustments

• Margins and Padding:
  • Address gaps caused by flexbox gap property by adding padding-left: 4.8rem;.
• Ensure that duplicated content has aria-hidden=true for accessibility.
• Ensure an even amount of duplicated text for proper flipping.

Enhancements

• Fade Out Effect:
  • Create class fade-out-horizontal with linear gradient mask for a fade effect at the edges.
• Animation Direction:
  • Ability to reverse marquee direction using animation-direction: reverse;.
• Configure Speed with CSS Variables:
  • Use var(speed, 10s) to adjust speed dynamically.

Final Touches

• Rotation Effect:
  • Create classes for rotating marquee elements left and right.
• Visual Appearance:
  • Background color for marquee elements.
• Conclusion:
  • Code will be available in the description; subscribe for next video on logo slider with seamless animation.

Summary

• Practical implementation of marquee animations with CSS.
• Importance of accessibility and aesthetic value in design.
• Upcoming video focused on logo marquee.