#default-div {
	background: blue;
}
#static-div {
	background: green;
  position: static;  
}
#relative-div {
	background-color: red;
  position: relative;
  top: 10px;
  left: 10px;
}
#absolute-div {
	background-color: purple;
  position: absolute;
  top: 1em;
  left: 1em;
}
#sticky-div {
	background-color: orange;
  position: sticky;
  top: 0px;
}
#ipsum {
	font-size: 1.5em;
  color: purple;
}
#parent {
	position: relative;
  height: 500px;
  width: 500px;
  border: 3px solid blue;
}
#child {
  /* horizontal centering */
	text-align: center;
  /* vertical centering */
  position: absolute;
  top: 50%;
  left: 50%;
  /* I don't know why this works */
  transform: translate(-50%, -50%);
}
#full-box {
	width: 500px;
  background: #BDBAC2;
}
#box-one {
	background: red;
  width: 70px;
}
#box-two {
	background: green;
  width: 70px;
}
#box-three {
	background: blue;
  width: 70px;
}

.readability {
	color: white;
  padding: 0.1em;
}
.different {
	color: red;
  font-weight: bold;
  border: 1px dashed blue;
  background-color: yellow;
}
.floating {
	padding: 20px;
  margin: 5px;
  float: left;
}