diff --git a/zenburn.css b/zenburn.css
index 2cd879e..5e3669f 100644
--- a/zenburn.css
+++ b/zenburn.css
@@ -58,6 +58,14 @@ body {
   background: #2b2b2b;
 }
 
+#sidebar .active {
+  background-color: #333;
+}
+
+#sidebar .chan:hover {
+  background-color: rgba(51, 51, 51, 0.5); /* Same as #333 but with opacity */
+}
+
 #footer {
   background: #333;
   border-top: 1px solid #000;
@@ -75,6 +83,7 @@ body {
 /* Borders */
 #chat .content,
 #windows .header,
+#windows #chat .header,
 #chat .user-mode::before,
 #chat .userlist {
   border-color: #333;
@@ -149,10 +158,6 @@ body {
   color: #dcdccc;
 }
 
-#form #submit:hover {
-  opacity: 1;
-}
-
 /* Buttons */
 #chat .show-more-button {
   background: #434443;
@@ -164,8 +169,17 @@ body {
   color: #fff;
 }
 
-#chat .header {
-  color: #d2d39b;
+#windows #chat .header {
+  color: #d2d39b !important;
+}
+
+#form #submit,
+.header button {
+  color: #ccc !important;
+}
+
+#form #submit:hover {
+  opacity: 1;
 }
 
 /* Notification dot on the top right corner of the menu icon */