div.gumb
{
display: block;
margin-left: auto;
margin-right: auto;
width: 100px;
height: 20px;
text-align: center;
color: white;
background-color: grey;
border-radius: 10px;
border: 2px solid black;
letter-spacing: 5px;
word-spacing: 15px;
align-items: center;
}

div.gumb:hover
{
	text-align: center;
	color: block;
	background-color: white;
	border-radius: 20px;
	border: 2px solid black;
}

.body{
	display: block;
	margin-left: auto;
	margin-right: auto;
	margin-top: auto;
	margin-bottom: auto;
	justify-content: center;
	align-items: center;
	align-self: center;
	align-content: center;
	align-tracks: center;
	</*width: 40%;*/
}