Template:Chembox/styles.css

/* {{pp|small=y}} */
.ib-chembox {
	border-collapse: collapse;
	text-align: left;
}

/* TODO split definitions to appropriate class names when live from HTML element */
.ib-chembox td,
.ib-chembox th {
	border: 1px solid #a2a9b1;
	width: 40%;
}
.ib-chembox td + td {
	width: 60%;
}