how to make an element sticky on scroll code example

Example 1: make a div sticky

.fixedElement {
    background-color: #c0c0c0;
    position:fixed;
    top:0;
    width:100%;
    z-index:100;
}

Example 2: Inner Section Sticky Scroll in elementor

.titlesticky{
position: sticky;
position: -webkit-sticky;
top: 3rem;
}
.parent-sticky 
.elementor-widget-wrap {
display: block!important; 
}