diff --git a/app/assets/stylesheets/application.css.sass b/app/assets/stylesheets/application.css.sass
index b97a1e1dce0ad155bc12e4dd265d3eb86c5c833a..fff92719bea97934d53f950dbac6ca60b0b0d7f0 100644
--- a/app/assets/stylesheets/application.css.sass
+++ b/app/assets/stylesheets/application.css.sass
@@ -528,7 +528,7 @@ form p.checkbox_select
 *::-webkit-input-placeholder
   @include placeholder_styles
 
-*:-moz-placeholder
+*::-moz-placeholder
   @include placeholder_styles
 
 .field_with_submit
diff --git a/app/assets/stylesheets/header.css.scss b/app/assets/stylesheets/header.css.scss
index 2e6c3c48f6235785185ee1d4667010972a58ce28..74481ca66205970635d38eea18c5eb21edbe313b 100644
--- a/app/assets/stylesheets/header.css.scss
+++ b/app/assets/stylesheets/header.css.scss
@@ -214,7 +214,8 @@ body > header {
         }
 
         &::-webkit-input-placeholder { text-shadow: none; }
-        &:-moz-placeholder { text-shadow: none; }
+        &::-moz-placeholder { text-shadow: none; }
+        &.ac_loading::-webkit-search-cancel-button { -webkit-appearance: none; }
       }
     }
   }