Try <= 3 instead of == 1 for joined adjacent lines; tweaks.

pages/support/header.mako

@@ -50,4 +50,4 @@
                 % endfor
             </p>
         </div>
-        <div id="container">
+        <div id="container">

static/css/copyvios.css

@@ -1,12 +1,12 @@
 div#cv-result-yes {
-    padding: 0 10px 0 10px;
+    padding: 5px 10px 0 10px;
     margin: 0 5px 10px 5px;
     background-color: #FEE;
     border: 1px solid #F77;
 }
 
 div#cv-result-no {
-    padding: 0 10px 0 10px;
+    padding: 5px 10px 0 10px;
     margin: 0 5px 10px 5px;
     background-color: #EFE;
     border: 1px solid #7F7;

toolserver/copyvios/highlighter.py

@@ -42,10 +42,10 @@ def highlight_delta(context, chain, delta):
 def _get_next(paragraphs):
     paragraph = paragraphs.pop(0)
     body = paragraph.split()
-    if len(body) == 1:
+    if len(body) <= 3:
         while paragraphs:
             next = paragraphs[0].split()
-            if len(next) == 1:
+            if len(next) <= 3:
                 body += next
                 paragraphs.pop(0)
             else: