diff --git a/announcement.gemspec b/announcement.gemspec
index 7f36d2c..8e72363 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -45,7 +45,7 @@ if bundle_update_flag
             i = texts.rindex(s1[-1])
             texts[i] = ""
           end
-          regex_pattern = /[\r\n]*.response-content {\n  justify-self: auto;\n}[\r\n]*|[\r\n]*.response-content {\n  position: static;\n}[\r\n]*|[\r\n]*.response-content {\n  position: relative;\n}[\r\n]*/m  #|.response-content[^{]*{[^}]*@media[^{]*{[^{]*}[^{]*@media[^{]*{[^{]*}[^}]*}[^}]*}
+          regex_pattern = /(?=^)[ \t\r\n]*.response-content {\n  justify-self: auto;\n}[\r\n]*|(?=^)[ \t\r\n]*.response-content {\n  position: static;\n}[\r\n]*|(?=^)[ \t\r\n]*.response-content {\n  position: relative;\n}[\r\n]*/m  #|.response-content[^{]*{[^}]*@media[^{]*{[^{]*}[^{]*@media[^{]*{[^{]*}[^}]*}[^}]*}
           if !texts.include? "$font-h1:"
             texts = "$font-h1: 1.5rem;\n$font-h2: 1.35rem;\n$font-h3: 1.2rem;\n$font-h4: 1.1rem;\n$font-h5: 1rem;\n$font-h6: 0.9rem;\n\n" + texts
           end