Template:SPI navigation/styles.css

/* {{pp|small=y}} */
.spi-nav {
	font-size: 95%;
    width: 19em;
}

.spi-nav .sidebar-title {
	background-color: var(--background-color-disabled, #c8ccd1);
	font-size: 125%;
}

.spi-nav .sidebar-heading {
	background-color: var(--background-color-disabled, #c8ccd1);
}