🙈 firefoxでデフォルトのボタンが表示されてしまうのを修正

css/nes.css

@@ -585,7 +585,7 @@ button,
   margin-right: 20px;
   -webkit-appearance: none;
   -moz-appearance: none;
-       appearance: none;
+  appearance: none;
 }
 
 .radio + span {
@@ -597,17 +597,17 @@ button,
   top: -2px;
   left: -20px;
   content: "";
+  animation: blink 1s infinite steps(1);
   width: 2px;
   height: 2px;
   box-shadow: 2px 2px #212529,4px 2px #212529,2px 4px #212529,4px 4px #212529,6px 4px #212529,8px 4px #212529,2px 6px #212529,4px 6px #212529,6px 6px #212529,8px 6px #212529,10px 6px #212529,2px 8px #212529,4px 8px #212529,6px 8px #212529,8px 8px #212529,10px 8px #212529,12px 8px #212529,2px 10px #212529,4px 10px #212529,6px 10px #212529,8px 10px #212529,10px 10px #212529,2px 12px #212529,4px 12px #212529,6px 12px #212529,8px 12px #212529,2px 14px #212529,4px 14px #212529;;
-  animation: blink 1s infinite steps(1);
 }
 
 .checkbox {
   margin-left: 28px;
   -webkit-appearance: none;
   -moz-appearance: none;
-       appearance: none;
+  appearance: none;
 }
 
 .checkbox + span {

scss/elements/checkboxes.scss

@@ -26,6 +26,7 @@
 
   margin-left: 28px;
   -webkit-appearance: none;
+  -moz-appearance: none;
   appearance: none;
 
   & + span {

scss/elements/radios.scss

@@ -13,6 +13,7 @@
 
   margin-right: 20px;
   -webkit-appearance: none;
+  -moz-appearance: none;
   appearance: none;
 
   & + span {
@@ -24,9 +25,8 @@
     top: -2px;
     left: -20px;
     content: "";
+    animation: blink 1s infinite steps(1);
 
     @include pixelize($radio, $colors, 2px);
-
-    animation: blink 1s infinite steps(1);
   }
 }