body {
	background-color: #bde0fe;
	color: #2b2d42;
}
h1 {
	text-align: center;
}
table, tr, th, td {
	border: 1px solid black;
	border-collapse: collapse;
	border-spacing: 0;
	text-align: center;
}
tr, th, td {
	padding: 1em;
}
th {
	cursor: pointer;
}
.center {
	margin-left: auto;
	margin-right: auto;
}
tbody tr:nth-child(odd) {
	background-color: #4C8BF5;
	color: white;
}
a {
    color: inherit;
}