Merge branch 'v4-dev' of https://github.com/twbs/bootstrap into v4-dev

scss/_custom-forms.scss

@@ -19,16 +19,17 @@
     z-index: -1; // Put the input behind the label so it doesn't overlay text
     opacity: 0;
 
-    &:focus ~ .c-indicator {
-      @include box-shadow(0 0 0 .075rem #fff, 0 0 0 .2rem #0074d9);
-    }
-
     &:checked ~ .c-indicator {
       color: #fff;
       background-color: #0074d9;
       @include box-shadow(none);
     }
 
+    &:focus ~ .c-indicator {
+      // the mixin is not used here to make sure there is feedback
+      box-shadow: 0 0 0 .075rem #fff, 0 0 0 .2rem #0074d9;
+    }
+
     &:active ~ .c-indicator {
       color: #fff;
       background-color: #84c6ff;