Merge branch 'dev' of https://github.com/picocss/pico into dev

css/pico.css

@@ -23,6 +23,7 @@
   --grid-spacing-horizontal: var(--spacing);
   --form-element-spacing-vertical: 0.75rem;
   --form-element-spacing-horizontal: 1rem;
+  --form-label-font-weight: var(--font-weight);
   --transition: 0.2s ease-in-out;
 }
 @media (min-width: 576px) {
@@ -798,13 +799,16 @@ ul ~ h6 {
   margin-top: var(--typography-spacing-vertical);
 }
 
-hgroup {
+hgroup,
+.headings {
   margin-bottom: var(--typography-spacing-vertical);
 }
-hgroup > * {
+hgroup > *,
+.headings > * {
   margin-bottom: 0;
 }
-hgroup > *:last-child {
+hgroup > *:last-child,
+.headings > *:last-child {
   --color: var(--muted-color);
   --font-weight: unset;
   font-size: 1rem;
@@ -1163,6 +1167,7 @@ button[disabled],
 input[type=submit][disabled],
 input[type=button][disabled],
 input[type=reset][disabled],
+a[role=button]:not([href]),
 a[role=button][disabled] {
   opacity: 0.5;
   pointer-events: none;
@@ -1263,6 +1268,7 @@ label,
 fieldset legend {
   display: block;
   margin-bottom: calc(var(--spacing) * 0.25);
+  font-weight: var(--form-label-font-weight, var(--font-weight));
 }
 
 input:not([type=checkbox]):not([type=radio]),