.static-example .positioned-element {
  background-color: green;
  left: 100px;
}

.relative-example .positioned-element {
  background-color: lightblue;
  position: relative;
  left: 100px;
  z-index: -1;
} 

.absolute-example .positioned-element{
  background-color:red;
  position:absolute;
  top:0;
  right:0;
}


.absolute-example {
  position: relative;
}

.fixed-example .positioned-element {
  background-color: purple;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}

.sticky-example .positioned-element {
  background-color: orange;
  position: sticky;
  top: 50px;
}