#kolko{
	border-radius: 200px;
	background-color: red;
	width: 100px;
	height: 100px;
	margin-left: 450px;
	margin-top: 20px;
	font-size: 40px;
	text-align: center;
	color: white;
	padding-top: 15px;
	box-shadow: 0 0 25px 0 black;
	transition: 0.5s ease-in-out;
}
#kolko:hover{
	background: black;
      box-shadow: 0 0 25px 0 red;
      color: white;
}