new text editor: tinyMCE

style/_page_course.scss

@@ -11,6 +11,7 @@
 				max-width: 100%;
 				
 				.doc-item {
+					background: white;
 					&:not(:last-child) {
 						margin-bottom: 1em;
 					}
@@ -27,26 +28,23 @@
 
 	#notes_box {
 		#notes {
-			height: calc(100% - 27.35px);
-			border: 2px solid $gray-400;
-			border-radius: 0 0 5px 5px;
-			padding: 1em 0.5em 1em 0;
-			background: $gray-200;
+			height: 100%;
 		}
 		
 		#notes_feedback {
 			position: absolute;
 			top: 0;
 			right: 0;
-			height: 27.35px;
-			width: 50%;
+			height: 39px;
+			width: 350px;
 			text-align: right;
+			z-index: 1000;
 			
 			.alert {
 				font-size: 0.8em;
 				margin: 0;
-				padding: 0 0.5em;
-				line-height: 27.35px;
+				padding: 0 13px;
+				line-height: 39px;
 				
 				&.note-error {
 					color: $col_main_2;