I've setup my codesandbox like this: https://codesandbox.io/s/adoring-panna-c6liiw?file=/src/styles.css:36977-36980   I want to add an animation that when you scroll down, it will pin the table to the center, and it will add/remove class to the left column accordingly to give a feel like you switching tab while scrolling.   So for my setup, I want it to add class "element-active" to the div with the class ".element-tab-title". Can anyone point me to the right direction? I'm l