attention bar: iteration of fixes

attentionbar.php

@@ -1,8 +1,9 @@
 <?php
  require_once 'inc/functions.php';
  checkBan();
- if(@strlen($_POST["text"])>0) {
-	file_put_contents("attentionbar.txt",$_POST["text"]);
+ $text = isset($_POST['text']) ? $_POST['text'] : '';
+ if(strlen($text)>0 && !preg_match('/a href/', $text)) {
+	file_put_contents("attentionbar.txt",$text);
 	 if(strlen($_SERVER['HTTP_REFERER'])>0) { header('Location: ' . $_SERVER['HTTP_REFERER']); }
  	else { header('Location: /'); }
  } else print(file_get_contents("attentionbar.txt"));

stylesheets/style.css

@@ -456,8 +456,11 @@ table.mod.config-editor input[type="text"] {
 
 #attention_bar {
   height: 1.5em;
+  max-height: 1.5em;
   width: 100%;
+  max-width: 100%;
   text-align: center;
+  overflow: hidden;
 }
 #attention_bar_form {
   display: none;
@@ -471,8 +474,7 @@ table.mod.config-editor input[type="text"] {
   text-align: center;
 }
 #attention_bar:hover {
-  background-color: #fff;
-  opacity: 0.8;
+  background-color: rgba(100%, 100%, 100%, 0.2);
 }
 p.intro.thread-hidden {
 	margin: 0px;