How to make a section sticky in specific div (Section) in HTML/CSS?

Make a section sticky in specific div (Section) in HTML/CSS.

<style>

.scrollsec {

    height: fit-content;

    line-height: 50px;

    margin-top: 10px;

    font-size: 30px;

    padding-left: 10px;

    position: -webkit-sticky;

    position: sticky;

    top: 104px;

}

</style>