rework save UI

css/app.css

@@ -436,6 +436,11 @@ button.action {
     color: white;
 }
 
+button[disabled].action {
+    background: #cccccc;
+    color: #888;
+}
+
 button.action:focus,
 button.action:hover {
     background: #597BE7;
@@ -2575,8 +2580,6 @@ img.wiki-image {
 }
 
 .error-detail-container {
-    display: block;
-    padding: 20px;
     background: #f6f6f6;
     border-radius: 3px;
     margin: 10px 0;
@@ -2587,8 +2590,12 @@ img.wiki-image {
     list-style: disc;
 }
 
+.error-detail-list {
+    padding: 20px 20px 10px 20px;
+}
+
 .error-choice-buttons {
-    margin-top: 10px;
+    padding: 0 20px 20px 20px;
 }
 
 .error-choice-button {