template: describe "class-light" better

Adopt SemBr.

README.md

@@ -1,6 +1,9 @@
 # Classless CSS
 
-This is a list of classless CSS themes and frameworks.  "Classless" means a style sheet does not define special classes you must add to your HTML elements to style these elements.  As a result, you can style any plain-HTML page just by linking to the style sheet.  This is useful, for example, in prototyping.
+This is a list of classless CSS themes and frameworks.
+"Classless" means a style sheet does not define special classes you must add to your HTML elements to style these elements.
+As a result, you can style any plain-HTML page just by linking to the style sheet.
+This is useful, for example, in prototyping.
 
 
 ## Contents
@@ -607,7 +610,10 @@ This is a list of classless CSS themes and frameworks.  "Classless" means a styl
 
 ## Class-light
 
-These are frameworks that do not force you to apply their classes to many elements but require something like `<div class="container">` or a bit of your own CSS for a page to look right.  They may offer optional classes to style your content.
+These are frameworks that do not force you to apply their classes to many elements.
+However,
+they either require something like `<div class="container">` or a bit of your own CSS for a page to look right,
+or offer optional classes to style your content&mdash;possibly both.
 
 
 ### Barrel.css

README.md.njk

@@ -1,6 +1,9 @@
 # Classless CSS
 
-This is a list of classless CSS themes and frameworks.  "Classless" means a style sheet does not define special classes you must add to your HTML elements to style these elements.  As a result, you can style any plain-HTML page just by linking to the style sheet.  This is useful, for example, in prototyping.
+This is a list of classless CSS themes and frameworks.
+"Classless" means a style sheet does not define special classes you must add to your HTML elements to style these elements.
+As a result, you can style any plain-HTML page just by linking to the style sheet.
+This is useful, for example, in prototyping.
 
 
 ## Contents
@@ -44,7 +47,10 @@ This is a list of classless CSS themes and frameworks.  "Classless" means a styl
 {% endfor %}
 ## Class-light
 
-These are frameworks that do not force you to apply their classes to many elements but require something like `<div class="container">` or a bit of your own CSS for a page to look right.  They may offer optional classes to style your content.
+These are frameworks that do not force you to apply their classes to many elements.
+However,
+they either require something like `<div class="container">` or a bit of your own CSS for a page to look right,
+or offer optional classes to style your content&mdash;possibly both.
 
 {% for proj in projects %}
 {% if proj.tags.indexOf("class-light") > -1 %}