app/assets/images/flags/4x3/hu.svg in flag-icons-rails-3.1.0 vs app/assets/images/flags/4x3/hu.svg in flag-icons-rails-3.4.5

@@ -1,5 +1,5 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-hu" width="640" height="480">
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-hu" viewBox="0 0 640 480">
   <g fill-rule="evenodd">
     <path fill="#fff" d="M640 480H0V0h640z"/>
     <path fill="#388d00" d="M640 480H0V320h640z"/>
     <path fill="#d43516" d="M640 160.1H0V.1h640z"/>
   </g>