My CSS code for extra div class .sticky for aside #sticky

/*

Add here your custom css styles
Example:
p { text-align: center; color: red; }

*/

div.sticky {

position:-webkit-sticky: auto;
position:-webkit-overflow-scrolling: auto;

position: sticky;
top: 100px;


height:100vh;
overflow-y: scroll;
overflow: scroll;


}