Template:Style/styles.css

/* {{pp-template}} */
.style .sidebar-list-title {
	background-color: #def;
	color: black;
	padding-left: 2px;
}

/* Unnecessary due 'child=yes'. */
/* But if 'child=yes' is removed, it takes effect. */
.style-list6,
.style-list6-1 {
	background-color: transparent;
	color: var( --color-base, #202122 );
	border-collapse: collapse;
	border-spacing: 0;
	border: none;
	width: 100%;
	margin: 0;
	font-size: 100%;
	clear: none;
	float: none
}