Eliminate some inline styles (visibility: collapse).

(imported from commit a29f12ea2f82672ef05e5dcca486ec527acbd6dd)

templates/zephyr/home.html

@@ -8,7 +8,7 @@
     </div>
     <div class="floating_recipient_bar">
       <table class="floating_recipient">
-        <tr style="visibility: collapse;">
+        <tr id="floating_recipient_layout_row" class="ztable_layout_row">
           <td class="ztable_col1" />
           <td class="ztable_col2" />
           <td class="ztable_col3" />
@@ -56,7 +56,7 @@
         {% csrf_token %}
         <table class="compose_table">
           <tbody>
-            <tr style="visibility: collapse;">
+            <tr class="ztable_layout_row">
               <td class="ztable_col1" />
               <td class="ztable_col2" />
               <td class="ztable_col3" />

zephyr/jstemplates/message.html

@@ -5,7 +5,7 @@
     these CSS classes specify the widths for that first,
     collapsed row. (Otherwise, colspan breaks everything).}}
 {{#include_layout_row}}
-<tr style="visibility: collapse;" class="ztable_layout_row">
+<tr class="ztable_layout_row">
   <td class="ztable_col1" />
   <td class="ztable_col2" />
   <td class="ztable_col3" />

zephyr/static/styles/zephyr.css

@@ -92,6 +92,9 @@ td.pointer {
     padding-top: 5px;
 }
 
+.ztable_layout_row {
+    visibility: collapse;
+}
 .ztable_col1 {    /* streamname */
 }
 .ztable_col2 {    /* pointer */