<div>
  Ти можеш змінити мій розмір! :)
</div>
body {
	font-size: 18px;
	font-family: sans-serif;
	color: #252525;
}

div { 
  width: 50%;
  text-align: center;
  padding: 30px;
  background: yellow;
  overflow: auto;
  resize: both;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.