Part 2/5:
Another game-changer is the @property rule, which is part of the CSS Houdini specification. This feature allows you to define the type of your CSS variables, such as number, color, or percentage. This not only makes your code safer but also enables the browser to use these variables in animations, something that was previously impossible.
Starting Style: Smooth Transitions for Hidden Elements
When dealing with elements that are initially hidden with display: none, the transition animation can be a bit jarring when the element suddenly appears. The new @keyframes starting-style rule solves this problem by allowing you to define the starting point of the animation, ensuring a smooth transition.
Math Functions: Streamlining Calculations in CSS