CodePen Embed - day 2

<div class="element"></div>

.element {
  width: 100px;
  height: 100px;
  background-color: red;
  transition: width 1s ease-in-out 2s;
}

.element:hover {
  width: 200px;
}

This Pen is owned by ChungYingHo on CodePen.

This Pen doesn't use any external CSS resources.

This Pen doesn't use any external JavaScript resources.