Improvements

- Small adjustments for table striping
- Consitent shadows for Dark mode
- Bigger Checkboxes, Radios and Switches
- Disable transitions for Checkboxes, Radios and Details
- Simplier .grids in docs
- Replace .js for internal scroll with CSS
- Better aside adjustment in .js
- Many small improvements in docs

docs/css/pico.docs.css

@@ -22,6 +22,13 @@
   --nav-border:     rgba(115, 130, 140, 0.2);
 }
 
+/**
+ * Docs: Document
+ */
+html {
+  scroll-behavior: smooth;
+}
+
 /**
  * Docs: Main (Grid)
  */
@@ -106,6 +113,11 @@ div[role="document"] section a[href*="//"]:not([href*="https://picocss.com"]):no
   content: '';
 }
 
+form.grid > input:not([type=checkbox]):not([type=radio]),
+form.grid > button {
+  margin-bottom: 0;
+}
+
 /**
  * Docs: Aside
  */
@@ -181,6 +193,11 @@ main > aside details[open] summary {
 /**
  * Docs: Documentation
  */
+#start a[role="button"] svg {
+  padding-left: .66rem;
+  vertical-align: baseline;
+}
+
 #themes button i {
   font-style: normal;
 }