update `public_html` static files

public_html/css/style.css

@@ -26,6 +26,10 @@
   --bright-white: #ffffff;
 }
 
+@media only screen and (min-device-width: 480px) {
+  :root { --font-size: 12pt; }
+}
+
 /* reset */
 
 * {
@@ -50,12 +54,6 @@
   background-color: var(--white);
 }
 
-/*
-body {
-  margin: 0;
-}
-*/
-
 /* content sectioning */
 
 address {
@@ -196,11 +194,9 @@ hr::after {
 }
 
 pre {
-  margin-inline: 2ch;
   overflow-y: scroll;
 }
 
-
 /* inline text semantics */
 
 a {