diff --git a/class/Tasks/VerilogTask.php b/class/Tasks/VerilogTask.php
index 42ff210..6abb9d5 100644
--- a/class/Tasks/VerilogTask.php
+++ b/class/Tasks/VerilogTask.php
@@ -42,7 +42,7 @@ class VerilogTask extends PicturedTask
 
         // run the simulation
         $output_fn = sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid("verilogtask_output_");
-        $iverilog_cmd = "iverilog $test_bench_fn -o $output_fn 2>&1";
+        $iverilog_cmd = "iverilog $test_bench_fn -o $output_fn -g2012 2>&1";
         $compilation_log = shell_exec($iverilog_cmd);
         $failed_count = 0;
         if (!is_null($compilation_log)) {
diff --git a/js/tasks.js b/js/tasks.js
index 5cc0737..f1602a3 100644
--- a/js/tasks.js
+++ b/js/tasks.js
@@ -264,6 +264,10 @@ class PicturedTask extends Task {
                 max-width: 100%;
                 text-align: center;
             }
+            .hljs {
+                padding: 0.3em;
+                border-radius: 3pt;
+            }
         `;
     }