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Slide-In Sidebar Panel

Explore how to animate a sidebar panel sliding into view from off-screen using CSS. Learn to use keyframes, transform properties, and easing functions to create smooth, engaging UI animations without JavaScript.

Problem description

Given an HTML page containing a <div class="sidebar-panel"> element, write CSS to:

  • Position the panel off-screen with transform: translateX(-100%).

  • Define a @keyframes ...