Improved styling of the tables.

stoptime.rb

@@ -1215,6 +1215,7 @@ module StopTime::Views
         th "Comment"
         th "Total time"
         th "Bill?"
+        th {}
       end
       form :action => R(Timeline), :method => :post do
         tr do
@@ -1311,6 +1312,7 @@ module StopTime::Views
            th "Address"
            th "Email"
            th "Phone"
+           th {}
          end
         @customers.each do |customer|
           tr do

templates/sass/style.sass

@@ -2,6 +2,7 @@
 
 // Colours
 $light-grey: #efefef
+$medium-grey: #cfcfcf
 $dark-grey: #9f9f9f
 $dark-red: #990000
 
@@ -112,8 +113,12 @@ table
     text-align: left
     background: $dark-grey
 
-  tr.total
-    border-top: solid black
+  tr
+    &:hover
+      background-color: $medium-grey
+
+    &.total
+      border-top: solid black
 
   td.key
     font-weight: bold