diff --git a/edit.html b/edit.html
index 34e99fd6..ae229084 100644
--- a/edit.html
+++ b/edit.html
@@ -240,16 +240,16 @@
     </div>
 
     <svg xmlns="http://www.w3.org/2000/svg" style="display: none">
-      <symbol id="svg-icon-external-link" height="16" width="16" viewBox="0 0 8 8">
+      <symbol id="svg-icon-external-link" viewBox="0 0 8 8">
         <path d="M0 0v8h8v-2h-1v1h-6v-6h1v-1h-2zm4 0l1.5 1.5-2.5 2.5 1 1 2.5-2.5 1.5 1.5v-4h-4z"></path>
       </symbol>
-      <symbol id="svg-icon-help" height="16" width="14" viewBox="0 0 14 16" i18n-alt="helpAlt">
+      <symbol id="svg-icon-help" viewBox="0 0 14 16" i18n-alt="helpAlt">
         <path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path>
       </symbol>
-      <symbol id="svg-icon-close" height="16" width="12" viewBox="0 0 12 16">
+      <symbol id="svg-icon-close" viewBox="0 0 12 16">
         <path fill-rule="evenodd" d="M7.48 8l3.75 3.75-1.48 1.48L6 9.48l-3.75 3.75-1.48-1.48L4.52 8 .77 4.25l1.48-1.48L6 6.52l3.75-3.75 1.48 1.48z"></path>
       </symbol>
-      <symbol id="svg-icon-settings" height="12" width="12" viewBox="0 0 16 16">
+      <symbol id="svg-icon-settings" viewBox="0 0 16 16">
         <path d="M16 9.45V6.52l-1.8-.3c-.14-.5-.34-.95-.56-1.35L14.7 3.4l-2.07-2.1-1.5 1.03c-.43-.24-.9-.43-1.37-.56L9.46 0H6.54l-.3 1.8c-.5.13-.94.33-1.36.55L3.4 1.32 1.3 3.4l1.07 1.45c-.24.45-.44.92-.57 1.42L0 6.53v2.95l1.8.3c.14.52.33.95.57 1.37l-1.07 1.5 2.06 2.08 1.5-1.07c.44.24.9.45 1.4.57l.3 1.77H9.5l.32-1.8c.47-.13.95-.32 1.34-.56l1.5 1.06 2.07-2.05-1.03-1.5c.24-.45.44-.9.56-1.36L16 9.44v-.02zm-8 1.6C6.3 11.05 4.93 9.7 4.93 8S6.33 4.9 8 4.9s3.06 1.4 3.06 3.1S9.7 11.04 8 11.04z"/>
       </symbol>
     </svg>