/* #default-div {
  background: blue;
}

#fixed-div{
  background-color: green;
  position: fixed;
}

body {
  height: 2000px;
} */
#parent-div{
  position: relative;
  background: orange;
  height: 1500px;
}
#default-div{ 
  background: blue;
}
#sticky-div{
  background:green;
  position: sticky;
  top: 10px;
}