diff --git a/public_html/pages/conferences.php b/public_html/pages/conferences.php
index b5243c9..ca6a376 100644
--- a/public_html/pages/conferences.php
+++ b/public_html/pages/conferences.php
@@ -77,43 +77,46 @@ if (isset($conference_id)) {
     }
 
     // display the result
+    echo "<div class=\"results\">\n";
     echo "Conferences with ID matching \"<strong>$conference_id</strong>\"";
     if ($time_range_specified) {
         echo " for the time period <strong>$from_time - $until_time</strong>";
     }
+    echo "\n\n";
 
     if (!empty($conferences['records'])) {
 
-        echo "\t<table id=\"results\">";
-        echo "\t\t<tr>";
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
 
         // table headers
         foreach (array_keys($conferences['records'][0]) as $header) {
-            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>";
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
         }
-        echo "\t\t</tr>";
+        echo "\t\t</tr>\n";
 
         //table rows
         foreach ($conferences['records'] as $row) {
-            echo "\t\t<tr>";
+            echo "\t\t<tr>\n";
             // sometimes $column is empty, we make it '' then
             foreach ($row as $key => $column) {
                 if ($key === 'conference ID' && $column === $conference_id) {
-                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>";
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
                 } elseif ($key === 'conference name') {
-                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>";
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } else {
-                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>";
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
                 }
             }
-            echo "\t\t</tr>";
+            echo "\t\t</tr>\n";
         }
 
-        echo "\t</table>";
+        echo "\t</table>\n";
 
     } else {
         echo '<p>No matching conferences found.</p>';
     }
+    echo "\n</div>\n";
 
 
 // search and list specific conference ID
@@ -154,43 +157,46 @@ if (isset($conference_id)) {
     }
 
     // display the result
+    echo "<div class=\"results\">\n";
     echo "Conferences with name matching \"<strong>$conference_name</strong>\"";
     if ($time_range_specified) {
         echo " for the time period <strong>$from_time - $until_time</strong>";
     }
+    echo "\n\n";
 
     if (!empty($conferences['records'])) {
 
-        echo "\t<table id=\"results\">";
-        echo "\t\t<tr>";
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
 
         // table headers
         foreach (array_keys($conferences['records'][0]) as $header) {
-            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>";
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
         }
-        echo "\t\t</tr>";
+        echo "\t\t</tr>\n";
 
         //table rows
         foreach ($conferences['records'] as $row) {
-            echo "\t\t<tr>";
+            echo "\t\t<tr>\n";
             // sometimes $column is empty, we make it '' then
             foreach ($row as $key => $column) {
                 if ($key === 'conference name' && $column === $conference_name) {
-                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>";
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
                 } elseif ($key === 'conference ID') {
-                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>";
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } else {
-                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>";
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
                 }
             }
-            echo "\t\t</tr>";
+            echo "\t\t</tr>\n";
         }
 
-        echo "\t</table>";
+        echo "\t</table>\n";
 
     } else {
         echo '<p>No matching conferences found.</p>';
     }
+    echo "\n</div>\n";
 
 
 // list of all conferences (default)
@@ -230,40 +236,46 @@ if (isset($conference_id)) {
     }
 
     // display the result
-    echo "Conferences for the time period $from_time - $until_time";
+    echo "<div class=\"results\">\n";
+    echo "All conferences";
+    if ($time_range_specified) {
+        echo " for the time period <strong>$from_time - $until_time</strong>";
+    }
+    echo "\n\n";
 
     if (!empty($conferences['records'])) {
 
-        echo "\t<table id=\"results\">";
-        echo "\t\t<tr>";
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
 
         // table headers
         foreach (array_keys($conferences['records'][0]) as $header) {
-            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>";
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
         }
-        echo "\t\t</tr>";
+        echo "\t\t</tr>\n";
 
         //table rows
         foreach ($conferences['records'] as $row) {
-            echo "\t\t<tr>";
+            echo "\t\t<tr>\n";
             // sometimes $column is empty, we make it '' then
             foreach ($row as $key => $column) {
                 if ($key === 'conference ID') {
-                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>";
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } elseif ($key === 'conference name') {
-                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>";
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } else {
-                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>";
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
                 }
             }
-            echo "\t\t</tr>";
+            echo "\t\t</tr>\n";
         }
 
-        echo "\t</table>";
+        echo "\t</table>\n";
 
     } else {
         echo '<p>No matching conferences found.</p>';
     }
+    echo "\n</div>\n";
 
 }
 
diff --git a/public_html/static/all.css b/public_html/static/all.css
index 6975988..0123570 100644
--- a/public_html/static/all.css
+++ b/public_html/static/all.css
@@ -78,19 +78,22 @@
     color: white;
 }
 
-#results table {
+.results {
+    padding-bottom: 30px;
+}
+
+.results table {
     width: 100%;
     border-collapse: collapse;
     margin: 20px 0;
-    padding-bottom: 30px;
 }
-#results table, th, td {
+.results table, th, td {
     border: 1px solid #ddd;
 }
-#results th, td {
+.results th, td {
     padding: 8px;
     text-align: left;
 }
-#results th {
+.results th {
     background-color: #f2f2f2;
 }