diff --git a/themes/chameleon/source/css/_source.css b/themes/chameleon/source/css/_source.css
index acb152f..be9f92e 100644
--- a/themes/chameleon/source/css/_source.css
+++ b/themes/chameleon/source/css/_source.css
@@ -733,7 +733,7 @@ svg#share:hover {
 /* hide share button by default
 unhide (via JS) if Web Share API is supported */
 .article-title a#btnshare {
-  display: initial;
+  display: none;
 }
 
 .article-title a#btnshare img {
diff --git a/themes/chameleon/source/css/chameleon.css b/themes/chameleon/source/css/chameleon.css
index 453fbb5..2e720b5 100644
--- a/themes/chameleon/source/css/chameleon.css
+++ b/themes/chameleon/source/css/chameleon.css
@@ -1053,7 +1053,7 @@ svg#share:hover {
 /* hide share button by default
 unhide (via JS) if Web Share API is supported */
 .article-title a#btnshare {
-  display: initial;
+  display: none;
 }
 
 .article-title a#btnshare img {