Чуть подправил цвета кнопок

~dev_rating/media/css/courses_teacher.css

@@ -59,7 +59,7 @@
     border: 0;
     padding: 6px 20px;
     max-width: 60%;
-    background: #39973f; /*#3A84A6;*/
+    background: #009933; /*#3A84A6;*/
     font-weight: bold;
     font-size: 13px;
     color: #ffffff;
@@ -71,7 +71,7 @@
 
 
 .disc_button > div:hover {
-	background: #3399CC;
+	background: #009900;
 	cursor: pointer;
 }
 

~dev_rating/media/css/forms.css

@@ -12,7 +12,7 @@
     border-radius: 3px;
 }
 
-.standartform input[type=text], input[type=password]
+.standartform input[type=text], .standartform input[type=password]
 {
     width: 95%;
     border-color: #aaaaaa;
@@ -20,12 +20,17 @@
     padding: 7px; 
 }
 
-.standartform input[type=button], input[type=submit]
+.standartform input[type=button], .standartform input[type=submit]
 {
     width: 99%;
     overflow: hidden;
     padding: 7px;
-    background-color: #2bbd19;
+    background-color: #009933;
     border: none;
     color: #ffffff;
 }
+
+.standartform input[type=button]:hover, .standartform input[type=submit]:hover
+{
+    background-color: #009900;
+}
\ No newline at end of file