Improve toggle styling logic

nearest.css

@@ -27,11 +27,11 @@ math {
   display: block;
 }
 
-.toggle-box > .toggle-off {
+.toggle-box .toggle-off {
   display: block;
 }
 
-.toggle-box > .toggle-on {
+.toggle-box .toggle-on {
   display: none;
 }
 
@@ -55,11 +55,11 @@ math {
   display: block;
 }
 
-.toggle-box > .toggle-button:checked ~ label > .toggle-off {
+.toggle-box > .toggle-button:checked ~ :not(.toggle-box) .toggle-off {
   display: none;
 }
 
-.toggle-box > .toggle-button:checked ~ label > .toggle-on {
+.toggle-box > .toggle-button:checked ~ :not(.toggle-box) .toggle-on {
   display: block;
 }