Does anybody knows how Youtube has made this custom scrollbar?

Is new --web-kit is used or some plugin?

CodePudding user response：

This is some -webkit-scrollbar CSS properties.

You will find the necessary documentaiton here.

CodePudding user response：

::-webkit-scrollbar {
      width: 15px; // scrollbar width
}
    
::-webkit-scrollbar-track {
 background: red; 
}
 
::-webkit-scrollbar-thumb {
  background: blue; 
}