Index: skins/default/css.txt
==================================================================
--- skins/default/css.txt
+++ skins/default/css.txt
@@ -23,10 +23,11 @@
   color: #4183C4;
   float: left;
 }
 .title h1 {
   display: inline;
+  font-size: 2.00em;
 }
 .title h1:after {
   content: " / ";
   color: #777;
   font-weight: normal;
@@ -102,26 +103,21 @@
 
 
 /* Main document area; elements common to most pages. */
 
 .content {
-  padding-top: 10px;
-  font-size: 0.8em;
+  padding: 0ex 1ex 1ex 1ex;
   color: #444;
 }
 .content blockquote {
-  padding: 0 15px;
-}
-.content h1 {
-  font-size: 1.25em;
-}
-.content h2 {
-  font-size: 1.15em;
-}
-.content h3 {
-  font-size: 1.05em;
-}
+  padding: 0.1em 1em;
+}
+.content h1 { font-size: 2.00em; margin-left: 10pt; }
+.content h2 { font-size: 1.50em; margin-left: 20pt; }
+.content h3 { font-size: 1.15em; margin-left: 30pt; }
+.content h4 { font-size: 1.05em; margin-left: 40pt; }
+.content h5 { font-size: 1.00em; margin-left: 50pt; }
 
 .section {
   font-size: 1em;
   font-weight: bold;
   background-color: #f5f5f5;
@@ -145,10 +141,16 @@
 
 hr {
   color: #eee;
 }
 
+/* Wiki <verbatim> text block adjustments */
+pre.verbatim {
+  padding: 0.5em;
+  white-space: pre-wrap;
+}
+
 
 /* Page footer */
 
 .footer {
   border-top: 1px solid #ccc;
@@ -162,23 +164,170 @@
 
 .forum a:visited {
   color: #6A7F94;
 }
 
-.forum blockquote {
+textarea.wikiedit {
+  font-size: 1em;  /* monospace fonts tend to be smaller; compensate */
+}
+
+body.cpage-forumnew form input {
+  margin: 0.5em 0;
+}
+
+
+/* Markdown and Wiki-formatted pages: /wiki, /doc, /file... */
+
+.doc blockquote, .markdown blockquote {
   background-color: rgba(65, 131, 196, 0.1);
-  border-left: 3px solid #254769;
-  padding: .1em 1em;
+  border-left: 3px solid #4183c4;
+  margin-left: 60pt;
+  padding: 0.1em 1em;
+}
+
+.doc dl, .markdown dl {
+  margin-left: 60pt;
+}
+
+.doc dt, .markdown dt {
+  margin-left: 10pt;
+}
+
+.doc dd, .markdown dd {
+  margin-left: 30pt;
+  margin-bottom: 1em;
+}
+
+.doc hr, .markdown hr {
+  margin-left: 10pt;
+}
+
+.doc dd, .doc dt,
+.doc li,
+.doc p,
+.doc table,
+.markdown dd, .markdown dt,
+.markdown li,
+.markdown p,
+.markdown table {
+  line-height: 1.4em;
+}
+
+.doc p,
+.doc pre,
+.doc ol, .doc ul,
+.doc table,
+.markdown p,
+.markdown pre,
+.markdown ol, .markdown ul,
+.markdown table {
+  margin-left: 50pt;
+  margin-right: 50pt;
+}
+
+.doc p ol, .doc p ul,
+.doc pre ol, .doc pre ul,
+.doc ol ol, .doc ol ul,
+.doc ul ol, .doc ul ul,
+.doc table ol, .doc table ul,
+.markdown p ol, .markdown p ul,
+.markdown pre ol, .markdown pre ul,
+.markdown ol ol, .markdown ol ul,
+.markdown ul ol, .markdown ul ul,
+.markdown table ol, .markdown table ul {
+    margin-left: 10pt;
+}
+
+.doc pre, .markdown pre {
+  hyphens: none;
+  font-size: 110%;
+  line-height: 1.25;
+  margin-left: 70pt;
+}
+
+.doc .pikchr-wrapper, .markdown .pikchr-wrapper {
+  font-size: 15px;
+  margin-left: 50pt;
+}
+
+.doc ul li, .markdown ul li {
+  list-style-type: disc;
+}
+
+.doc li p, .doc li pre, .markdown li p, .markdown li pre {
+  margin-left: 0;
+}
+
+.doc table, .markdown table {
+  background-color: #f0f5f9;
+  border: 1px solid #a7c2dc;
+  border-radius: 0.5em;
+  padding: 6px;
+}
+
+.doc th, .markdown th {
+  border-bottom: 1px solid #dee8f2;
+  padding-bottom: 4px;
+  padding-right: 6px;
+  text-align: left;
+}
+
+.doc td, .markdown td {
+  padding-bottom: 4px;
+  padding-right: 6px;
+  text-align: left;
+}
+
+div.pikchr-wrapper.indent:not(.source) {
+  margin-left: 70pt;
+}
+
+/* Back above margins out in forum posts and ticket comments, and define
+ * a one-off class for use in documents where the same is desired. */
+.forum .markdown blockquote,
+.forum .markdown h1,
+.forum .markdown h2,
+.forum .markdown h3,
+.forum .markdown h4,
+.forum .markdown h5,
+.forum .markdown p,
+.forum .markdown pre,
+.forum .markdown ol,
+.forum .markdown ul,
+.forum .forumTime h1,
+.forum .forumTime h2,
+.forum .forumTime h3,
+.tkt .markdown h1,
+.tkt .markdown h2,
+.tkt .markdown h3,
+.tkt .markdown h4,
+.tkt .markdown h5,
+.tkt .markdown p,
+.tkt .markdown pre,
+.tkt .markdown ol,
+.tkt .markdown ul,
+.nomargins,
+.nomargins h1,
+.nomargins h2,
+.nomargins h3,
+.nomargins h4,
+.nomargins h5,
+.nomargins p,
+.nomargins pre,
+.nomargins ol,
+.nomargins ul {
+  margin-left: 0;
+  margin-right: 0;
 }
 
 
 /* Tickets */
 
 table.report {
   cursor: auto;
-  border-radius: 5px;
   border: 1px solid #ccc;
+  border-radius: 0.5em;
   margin: 1em 0;
 }
 .report td, .report th {
  border: 0;
  font-size: .8em;
@@ -231,10 +380,26 @@
 div.timelineDate {
     font-weight: bold;
     white-space: nowrap;
 }
 
+tr.timelineSelected {
+  /* default/css.txt puts these styles on the whole row. We want them only
+     on the comment/details cell within the table, not over the time
+     and graph columns as well. */
+  background-color: unset;
+  border: unset;
+  box-shadow: unset;
+}
+tr.timelineSelected {
+  td.timelineModernCell, td.timelineColumnarCell {
+    background-color: #ffc;
+    border: 2px solid #eed;
+    border-radius: 1em;
+  }
+}
+
 
 /* Miscellaneous UI elements */
 
 .fossil-tooltip.help-buttonlet-content {
   background-color: lightyellow;
@@ -247,10 +412,13 @@
   /* Spacing for mobile */
   body {
     padding-left: 4px;
     padding-right: 4px;
   }
+  .content {
+    font-size: 0.8em;
+  }
   .title {
     padding-top: 0px;
     padding-bottom: 0px;
   }
   .status {padding-top: 0px;}
@@ -265,10 +433,13 @@
   /* Spacing for desktop */
   body {
     padding-left: 20px;
     padding-right: 20px;
   }
+  .content {
+    font-size: 0.9em;
+  }
   .title {
     padding-top: 10px;
     padding-bottom: 10px;
   }
   .status {padding-top: 30px;}

Index: src/default.css
==================================================================
--- src/default.css
+++ src/default.css
@@ -496,11 +496,10 @@
   text-align: center;
   border-collapse: collapse;
   border-spacing: 0;
 }
 table.report {
-  border-collapse:collapse;
   border: 1px solid #999;
   margin: 1em 0 1em 0;
   cursor: pointer;
 }
 td.rpteditex {
@@ -618,11 +617,10 @@
   /*background-color: rgba(127,127,127,0.5);
   cursor: pointer;*/
 }
 tr.diffskip > td.chunkctrl {
   text-align: left;
-  font-family: monospace;
 }
 tr.diffskip > td.chunkctrl > div {
   display: flex;
   align-items: center;
 }
@@ -1294,11 +1292,10 @@
 .flex-container.child-gap-small > * {
   margin: 0.25em;
 }
 #fossil-status-bar {
   display: block;
-  font-family: monospace;
   border-width: 1px;
   border-style: inset;
   border-color: inherit;
   min-height: 1.5em;
   font-size: 1.2em;
@@ -1385,11 +1382,10 @@
   table-layout: fixed /* required to keep ultra-wide code from exceeding
                          window width, and instead force a scrollbar
                          on them. */;
 }
 table.numbered-lines > tbody > tr {
-  font-family: monospace;
   line-height: 1.35;
   white-space: pre;
 }
 table.numbered-lines > tbody > tr > td {
   font-family: inherit;
@@ -1761,12 +1757,23 @@
 }
 body.branch .submenu > a.timeline-link.selected {
   display: inline;
 }
 
-.monospace {
-  font-family: monospace;
+/* Candidate fonts for various forms of monospaced text. Collected here
+ * to avoid repeating this long list of fonts. */
+code, pre, tt,
+    div.markdown ol.footnotes > li.fn-joined > sup.fn-joined,
+    table.numbered-lines > tbody > tr,
+    tr.diffskip > td.chunkctrl,
+    #fossil-status-bar,
+    .monospace {
+  font-family: Source Code Pro, Menlo, Monaco, Consolas,
+               Andale Mono, Ubuntu Mono, Deja Vu Sans Mono,
+               Letter Gothic, Letter Gothic Std, Prestige Elite Std,
+               Courier, Courier New,
+               monospace;
 }
 
 div.markdown > ol.footnotes {
   font-size: 90%;
 }
@@ -1773,11 +1780,10 @@
 div.markdown > ol.footnotes > li {
   margin-bottom: 0.5em;
 }
 div.markdown ol.footnotes > li.fn-joined > sup.fn-joined {
   color: gray;
-  font-family: monospace;
 }
 div.markdown ol.footnotes > li.fn-joined > sup.fn-joined::after {
   content: "(joined from multiple locations) ";
 }
 div.markdown ol.footnotes > li.fn-misreference {

Index: www/index.wiki
==================================================================
--- www/index.wiki
+++ www/index.wiki
@@ -1,11 +1,11 @@
 <title>Home</title>
 
 <h3>What Is Fossil?</h3>
 
-<div style='float:right;border:2px solid #446979;padding:0 15px 10px 0;margin:0 0 10px 10px;'>
-<ul style='margin-left: -10px;'>
+<div class="nomargins" style='float:right;border:2px solid #446979;padding:0 15px 10px 0;margin:0 50px 0 10px'>
+<ul>
 <li> [/uv/download.html | Download]
 <li> [./quickstart.wiki | Quick Start]
 <li> [./build.wiki | Install]
 <li> [https://fossil-scm.org/forum | Support/Forum ]
 <li> [./hints.wiki | Tips &amp; Hints]