Experiment with slightly bigger body text

Trying to improve readability

themes/tiddlywiki/vanilla/base.tid

@@ -692,6 +692,11 @@ canvas.tc-edit-bitmapeditor  {
 	display: block;
 }
 
+.tc-tiddler-frame .tc-tiddler-body {
+	font-size: 15px;
+	line-height: 22px;
+}
+
 /*
 ** Toolbar buttons
 */
@@ -1282,10 +1287,22 @@ a.tc-tiddlylink.tc-plugin-info:hover {
 	color: <<colour message-foreground>>;
 }
 
-.tc-message-box img {
+/*
+** Pictures
+*/
+
+.tc-bordered-image {
+	border: 1px solid <<colour muted-foreground>>;
+	padding: 5px;
+	margin: 5px;
+}
+
+/*
+** Floats
+*/
+
+.tc-float-right {
 	float: right;
-	width: 150px;
-	margin: 0px 0px 12px 12px;
 }
 
 /*