zabbix-deploy/web-modules/WecomCenter/assets/wecom.center.css

/* WeCom Center - minimal styling */
.wecom-center h3 {
	font-size: 15px;
	font-weight: 600;
	margin: 18px 0 8px;
	border-left: 4px solid #d9534f;
	padding-left: 8px;
}
.wecom-center .preset-buttons .btn {
	margin-right: 8px;
	margin-bottom: 8px;
}