CSS fixes

css/chat.js

@@ -1,6 +1,4 @@
-document.getElementById("main").style.setProperty("max-width", "800px");
-document.getElementById("main").style.setProperty("margin-left", "auto");
-document.getElementById("main").style.setProperty("margin-right", "auto");
+document.getElementById("main").childNodes[0].style = "max-width: 800px; margin-left: auto; margin-right: auto";
 document.getElementById("extensions").style.setProperty("max-width", "800px");
 document.getElementById("extensions").style.setProperty("margin-left", "auto");
 document.getElementById("extensions").style.setProperty("margin-right", "auto");

css/main.css

@@ -36,4 +36,3 @@ ol li p, ul li p {
 #main, #settings, #chat-settings {
   border: 0;
 }
-