header {
	text-align: center;
}

tr:has(th) {
	background-color: #444;
	position: sticky;
	top: 0;
	z-index: 1;
}

td[planet*="sun"] {
	color: #FFD700;
}

td[planet*="moon"] {
	color: #BFC1C2;
}

td[planet*="mercury"] {
	color: #C9C0BB;
}

td[planet*="venus"] {
	color: #DA8A67;
}

td[planet*="earth"] {
	color: #43B3AE;
}

td[planet*="mars"] {
	color: #B52121;
}

td[planet*="jupiter"] {
	color: #802D5D;
}

td[planet*="saturn"] {
	color: #26447D;
}

td[planet*="uranus"] {
	color: #007BA7;
}

td[planet*="neptune"] {
	color: #2E8B57;
}