1 files changed, 13 insertions, 36 deletions
diff --git a/toolkit/themes/shared/aboutReader.css b/toolkit/themes/shared/aboutReader.css
index 4dbf11f6db..ff8f275654 100644
--- a/toolkit/themes/shared/aboutReader.css
+++ b/toolkit/themes/shared/aboutReader.css
@@ -47,44 +47,10 @@ body.serif .remove-button  {
 }
 
 .container {
+  --font-size: 12;
   max-width: 30em;
   margin: 0 auto;
-}
-
-.container.font-size1 {
-  font-size: 12px;
-}
-
-.container.font-size2 {
-  font-size: 14px;
-}
-
-.container.font-size3 {
-  font-size: 16px;
-}
-
-.container.font-size4  {
-  font-size: 18px;
-}
-
-.container.font-size5 {
-  font-size: 20px;
-}
-
-.container.font-size6 {
-  font-size: 22px;
-}
-
-.container.font-size7 {
-  font-size: 24px;
-}
-
-.container.font-size8 {
-  font-size: 26px;
-}
-
-.container.font-size9 {
-  font-size: 28px;
+  font-size: var(--font-size);
 }
 
 .container.content-width1 {
@@ -738,3 +704,14 @@ body:not(.loaded) .toolbar:-moz-locale-dir(rtl) {
 .moz-reader-content .sr-only {
   display: none;
 }
+
+/* Enforce wordpress and similar emoji/smileys aren't sized to be full-width */
+.moz-reader-content img.wp-smiley,
+.moz-reader-content img.emoji {
+  display: inline-block;
+  border-width: 0;
+  /* height: auto is implied from `.moz-reader-content *` rule. */
+  width: 1em;
+  margin: 0 .07em;
+  padding: 0;
+}