View source for MediaWiki:Gadget-summaryButtons.css

.summaryButtons {
	margin: 5px 0 0 1px;
	font-size: 85%;
}

.summaryButtons:after {
	content: ' ';
	display: table;
	clear: both;
}

.summaryButtons-group > .summaryButtons-button.summaryButtons-button {
	padding: 3px 6px 2px;
	margin: 0 0 2px -1px;
	border-left: 1px solid #a2a9b1;
	min-width: inherit;
}

.summaryButtons-group > .summaryButtons-button.summaryButtons-button:last-child {
	margin-right: 6px;
}

.summaryButtons-info-link.summaryButtons-info-link {
	float: left;
	padding: 0;
	margin: 4px 0 3px -3px;
	min-width:inherit;
}