table, th, td{
	border: 1px solid;
	border-collapse: collapse;
	background-color: rgba(255, 255, 255, 0.5);
}

th, td{
	padding: 20px;
}

body{
	background-image: url("https://wallpaperaccess.com/full/2711216.jpg");
}

.button {
	background-color: darkblue 50%;
	color: white;
	padding: 15px 30px;
	text-decoration: none;
	font-size: 2em; /*1em is normal*/
	display: inline-block;
	border-radius: 60%;
	border: 5px solid white;
	text-align: center;
}

.button:hover{
	color: darkblue;
	border: 5px solid darkblue;
}