Update: style changes

Web/css/help.less

@@ -1055,6 +1055,7 @@ html {
         font-size: 25px;
         font-weight: 300;
         padding: 20px 0 10px;
+        line-height: 1.3em;
     }
     .block-editor {
         min-height: 30px;
@@ -1518,6 +1519,24 @@ a.closeContainerButton {
         &:before, &:after {
             display: none;
         }
+        
+        &.error_text {
+            background-color: #FFEDEA;
+            font-family: "Roboto Mono", Consolas, Monaco, 'Andale Mono', monospace;
+            font-style: normal;
+            
+            &:before {
+                content: 'Error text';
+                display: block;
+                position: relative;
+                font-family: 'Open Sans', Arial, Tahoma;
+                font-weight: 400;
+                color: @redColor;
+                left: 0;
+                top: 0;
+                padding: 0 0 10px;
+            }
+        }
     }
     &.nh_notice {
         border-color: @yellowColor;
@@ -3178,7 +3197,7 @@ table.table_versionlist,
 table.table_parameters {
     margin: 10px 0 20px;
     text-align: center;
-    width: 90%;
+    width: 100%;
 
     &.talk_pages {
         td {
@@ -4045,4 +4064,7 @@ a.text-container-link-changelog {
     font-size: 12px;
     line-height: 1em;
     vertical-align: middle;
+}
+.table_version107 {
+    width: 10%;
 }

Web/css/lang/ru.less

@@ -315,4 +315,11 @@ span.yes {
     &.new_language:after {
         content: 'новый!';
     }
+}
+.notehelp {
+    &.nh_important {
+        &.error_text:before {
+            content: 'Текст ошибки';
+        }
+    }
 }