How to add line-height code for Rich Editor content manager text?

[J.D]

OR:

$w.onReady(() => {
    $w("#dataset1").onReady(() => {
        $w("#repeater1").onItemReady($item => {
            $item("#description").html =
		`<span style="line-height:1.8px">${$item("#description").html}</span>`;
        })
    })
})