diff --git a/frontend/ui/widget/dictquicklookup.lua b/frontend/ui/widget/dictquicklookup.lua
index 83349d991..0cb2f7493 100644
--- a/frontend/ui/widget/dictquicklookup.lua
+++ b/frontend/ui/widget/dictquicklookup.lua
@@ -190,7 +190,20 @@ function DictQuickLookup:getHtmlDictionaryCss()
             line-height: 1.3;
             ]]..css_justify..[[
         }
+
+        blockquote, dd {
+            margin: 0 1em;
+        }
     ]]
+    -- MuPDF doesn't currently scale CSS pixels, so we have to use a font-size based measurement.
+    -- Unfortunately MuPDF doesn't properly support `rem` either, which it bases on a hard-coded
+    -- value of `16px`, so we have to go with `em` (or `%`).
+    --
+    -- These `em`-based margins can vary slightly, but it's the best available compromise.
+    --
+    -- We also keep left and right margin the same so it'll display as expected in RTL.
+    -- Because MuPDF doesn't currently support `margin-start`, this results in a slightly
+    -- unconventional but hopefully barely noticeable right margin for <dd>.
 
     if self.css then
         return css .. self.css