diff --git a/apps/common/main/resources/less/calendar.less b/apps/common/main/resources/less/calendar.less
index 54ea69255..7240c6053 100644
--- a/apps/common/main/resources/less/calendar.less
+++ b/apps/common/main/resources/less/calendar.less
@@ -83,7 +83,6 @@
       width: 100%;
       margin: 4px 6px 3px 6px;
       text-align: center;
-      //font-size: 11px;
       .font-size-normal();
 
       label {
@@ -126,7 +125,6 @@
         display: flex;
         justify-content: center;
         align-items: center;
-        //font-size: 13px;
         .font-size-large();
       }
 
diff --git a/apps/common/main/resources/less/chat.less b/apps/common/main/resources/less/chat.less
index e313f85e1..caac2aa52 100644
--- a/apps/common/main/resources/less/chat.less
+++ b/apps/common/main/resources/less/chat.less
@@ -25,7 +25,6 @@
     #chat-title {
         label {
             padding: 18px 20px;
-            //font-size: @font-size-large;
             .font-size-large();
         }
     }
@@ -64,7 +63,6 @@
         }
 
         .name {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             display: block;
@@ -82,7 +80,6 @@
         top: 70px;
         right: 0;
         bottom: 110px;
-        //font-size: 12px;
         .font-size-medium();
 
         ul {
@@ -108,7 +105,6 @@
                 .user-name {
                     color: @text-normal-ie;
                     color: @text-normal;
-                    //font-size: 12px;
                     .font-size-medium();
                     .font-weight-bold();
                     overflow: hidden;
@@ -155,7 +151,6 @@
             margin-bottom: 5px;
             border: 1px solid @border-regular-control-ie;
             border: 1px solid @border-regular-control;
-            //font-size: 12px;
             .font-size-medium();
 
             &:focus {
diff --git a/apps/common/main/resources/less/combo-border-size.less b/apps/common/main/resources/less/combo-border-size.less
index f3aed67e2..7bb139b2f 100644
--- a/apps/common/main/resources/less/combo-border-size.less
+++ b/apps/common/main/resources/less/combo-border-size.less
@@ -19,7 +19,6 @@
         span {
             display: inline-block;
             margin-top: 3px;
-            //font-size: 11px;
             .font-size-normal();
             height: 17px;
         }
diff --git a/apps/common/main/resources/less/combo-dataview.less b/apps/common/main/resources/less/combo-dataview.less
index 4f0d3420a..dbd9da995 100644
--- a/apps/common/main/resources/less/combo-dataview.less
+++ b/apps/common/main/resources/less/combo-dataview.less
@@ -483,8 +483,6 @@
 
         .caption{
             line-height: 12px;
-            //font-size: 11px;
-            //.font-size-normal();
             text-overflow: ellipsis;
             overflow: hidden;
             width: 100%;
diff --git a/apps/common/main/resources/less/comments.less b/apps/common/main/resources/less/comments.less
index d1035257e..9a9345461 100644
--- a/apps/common/main/resources/less/comments.less
+++ b/apps/common/main/resources/less/comments.less
@@ -19,7 +19,6 @@
         border-bottom: @scaled-one-px-value solid @border-toolbar;
 
         label {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-top: 2px;
@@ -95,7 +94,6 @@
         }
 
         textarea {
-            //font-size: 12px;
             .font-size-medium();
             width: 100%;
             resize: none;
@@ -171,7 +169,6 @@
     .user-name {
         color: @text-normal-ie;
         color: @text-normal;
-        //font-size: 12px;
         .font-size-medium();
         .font-weight-bold();
         overflow: hidden;
@@ -211,7 +208,6 @@
     }
 
     .user-date {
-        //font-size: 11px;
         .font-size-normal();
         white-space: nowrap;
         padding: 0;
@@ -470,7 +466,6 @@
         min-width: 100px;
         text-align: center;
         cursor: pointer;
-        //font-size: 11px;
         .font-size-normal();
         font-family: @font-family-base;
     }
diff --git a/apps/common/main/resources/less/dimension-picker.less b/apps/common/main/resources/less/dimension-picker.less
index 0913efe41..ca1afe73f 100644
--- a/apps/common/main/resources/less/dimension-picker.less
+++ b/apps/common/main/resources/less/dimension-picker.less
@@ -38,7 +38,6 @@
 }
 
 .dimension-picker-status {
-    //font-size: 12px;
     .font-size-medium();
     text-align: center;
 }
\ No newline at end of file
diff --git a/apps/common/main/resources/less/extended-color-picker.less b/apps/common/main/resources/less/extended-color-picker.less
index ae7a286fd..bff022489 100644
--- a/apps/common/main/resources/less/extended-color-picker.less
+++ b/apps/common/main/resources/less/extended-color-picker.less
@@ -14,7 +14,6 @@
 
         label {
             font-weight: normal;
-            //font-size: 12px;
             .font-size-medium();
             margin-bottom: 0;
             vertical-align: middle;
@@ -31,7 +30,6 @@
 
         input {
             font-weight: normal;
-            //font-size: 12px;
             .font-size-medium();
             background-color: @background-normal;
         }
diff --git a/apps/common/main/resources/less/header.less b/apps/common/main/resources/less/header.less
index fdd32d667..add1377a0 100644
--- a/apps/common/main/resources/less/header.less
+++ b/apps/common/main/resources/less/header.less
@@ -285,7 +285,6 @@
 
     .caption {
         cursor: pointer;
-        //font-size: 9px;
         .font-size-tiny();
         margin-left: -18px;
         width: 16px;
@@ -396,7 +395,6 @@
 
     padding: 14px;
     width: 285px;
-    //font-size: 12px;
     .font-size-medium();
 
     z-index: 1042;
@@ -447,7 +445,6 @@
         .user-name {
             color: @text-normal-ie;
             color: @text-normal;
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             white-space: nowrap;
@@ -514,7 +511,6 @@
         text-overflow: ellipsis;
         overflow: hidden;
         text-align: center;
-        //font-size: 12px;
         .font-size-medium();
         line-height: 24px;
         padding: 1px 5px;
diff --git a/apps/common/main/resources/less/hint-manager.less b/apps/common/main/resources/less/hint-manager.less
index 23fdf4549..6ada91183 100644
--- a/apps/common/main/resources/less/hint-manager.less
+++ b/apps/common/main/resources/less/hint-manager.less
@@ -9,7 +9,6 @@
   background-color: @background-alt-key-hint-ie;
   background-color: @background-alt-key-hint;
   color: @text-alt-key-hint;
-  //font-size: 12px;
   .font-size-medium();
   line-height: 18px;
   padding: 0 4px;
diff --git a/apps/common/main/resources/less/history.less b/apps/common/main/resources/less/history.less
index ed72ef3ac..3b3bcd74f 100644
--- a/apps/common/main/resources/less/history.less
+++ b/apps/common/main/resources/less/history.less
@@ -19,7 +19,6 @@
         margin-top: 15px;
         padding-top: 4px;
         padding-left: 20px;
-        //font-size: 13px;
         .font-size-large();
         cursor: pointer;
 
@@ -45,7 +44,6 @@
         margin-top: 8px;
         padding-top: 4px;
         padding-left: 20px;
-        //font-size: 13px;
         .font-size-large();
         cursor: pointer;
 
@@ -67,7 +65,6 @@
         width: 100%;
         .box-shadow(none);
         margin: 0;
-        //font-size: 12px;
         .font-size-medium();
 
         &:hover:not(.selected),
@@ -101,7 +98,6 @@
 
         .user-date {
             display: inline-block;
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-right: 12px;
@@ -131,7 +127,6 @@
             width: 100%;
             white-space: nowrap;
             overflow: hidden;
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             cursor: pointer;
diff --git a/apps/common/main/resources/less/loadmask.less b/apps/common/main/resources/less/loadmask.less
index f3121563a..e94d07397 100644
--- a/apps/common/main/resources/less/loadmask.less
+++ b/apps/common/main/resources/less/loadmask.less
@@ -100,7 +100,6 @@
             }
 
             .text {
-                //font-size: 14px;
                 .font-size-huge();
             }
         }
diff --git a/apps/common/main/resources/less/plugins.less b/apps/common/main/resources/less/plugins.less
index c091ef68d..19d5d8d78 100644
--- a/apps/common/main/resources/less/plugins.less
+++ b/apps/common/main/resources/less/plugins.less
@@ -93,7 +93,6 @@
             width: 100%;
             margin-top: 2px;
             padding-right: 20px;
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             overflow: hidden;
diff --git a/apps/common/main/resources/less/review-changes.less b/apps/common/main/resources/less/review-changes.less
index ff6a94554..f5d1b8404 100644
--- a/apps/common/main/resources/less/review-changes.less
+++ b/apps/common/main/resources/less/review-changes.less
@@ -12,7 +12,6 @@
     #id-review-button-reject {
         span.caption {
             vertical-align: middle;
-            //font-size: 12px;
             .font-size-medium();
             margin: 0 6px;
         }
diff --git a/apps/common/main/resources/less/searchdialog.less b/apps/common/main/resources/less/searchdialog.less
index 5c1a93868..a5203e496 100644
--- a/apps/common/main/resources/less/searchdialog.less
+++ b/apps/common/main/resources/less/searchdialog.less
@@ -125,7 +125,6 @@
         border-bottom: @scaled-one-px-value solid @border-toolbar;
 
         label {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-top: 2px;
diff --git a/apps/common/main/resources/less/synchronize-tip.less b/apps/common/main/resources/less/synchronize-tip.less
index 5e36eefe3..1787fa02e 100644
--- a/apps/common/main/resources/less/synchronize-tip.less
+++ b/apps/common/main/resources/less/synchronize-tip.less
@@ -449,7 +449,6 @@
     }
 
     .box-shadow(0 4px 15px -2px rgba(0, 0, 0, 0.5));
-    //font-size: 11px;
     .font-size-normal();
 }
 
diff --git a/apps/common/main/resources/less/toolbar.less b/apps/common/main/resources/less/toolbar.less
index 4d5f30d44..359cea31b 100644
--- a/apps/common/main/resources/less/toolbar.less
+++ b/apps/common/main/resources/less/toolbar.less
@@ -32,7 +32,6 @@
 
     .box-tabs {
         height: @height-tabs;
-        //font-size: 12px;
         .font-size-medium();
 
         display: flex;
@@ -101,7 +100,6 @@
                 padding: 0 12px;
                 text-decoration: none;
                 cursor: default;
-                //font-size: 12px;
                 .font-size-medium();
                 text-align: center;
                 color: @text-toolbar-header-ie;
diff --git a/apps/common/main/resources/less/tooltip.less b/apps/common/main/resources/less/tooltip.less
index 0ffb893ce..73c0418ec 100644
--- a/apps/common/main/resources/less/tooltip.less
+++ b/apps/common/main/resources/less/tooltip.less
@@ -39,7 +39,6 @@
 }
 
 .tooltip-inner {
-    //font-size: 11px;
     .font-size-normal();
     background-color: @background-normal-ie;
     background-color: @background-normal;
diff --git a/apps/common/main/resources/less/window.less b/apps/common/main/resources/less/window.less
index ee9789881..77a2b5099 100644
--- a/apps/common/main/resources/less/window.less
+++ b/apps/common/main/resources/less/window.less
@@ -99,7 +99,6 @@
         color: @text-normal-ie;
         color: @text-normal;
         text-align: center;
-        //font-size: 12px;
         .font-size-medium();
         font-weight: 700;
         letter-spacing: 0.01em;
@@ -220,7 +219,6 @@
                     padding-left: 60px;
 
                     span {
-                        //font-size: 12px;
                         .font-size-medium();
                         white-space: nowrap;
 
diff --git a/apps/documenteditor/main/resources/less/filemenu.less b/apps/documenteditor/main/resources/less/filemenu.less
index 6f11f1413..cfbb30986 100644
--- a/apps/documenteditor/main/resources/less/filemenu.less
+++ b/apps/documenteditor/main/resources/less/filemenu.less
@@ -47,7 +47,6 @@
         &:extend(.dropdown-menu > li > a);
         padding-top: 4px;
         cursor: pointer;
-        //font-size: 13px;
         .font-size-large();
 
         &:hover {
@@ -207,7 +206,6 @@
 
         padding: 6px 10px;
         &.group-name label {
-          //font-size: 14px;
           .font-size-huge();
           .font-weight-bold();
         }
@@ -226,7 +224,6 @@
          width: 30%;
          label {
            .font-weight-bold();
-           //font-size: 12px;
            .font-size-medium();
          }
       }
@@ -302,7 +299,6 @@
 
       .title {
         width: 104px;
-        //font-size: 12px;
         .font-size-medium();
         line-height: 14px;
         height: 28px;
@@ -340,7 +336,6 @@
   .recent-wrap {
     padding: 5px 10px;
     cursor: pointer;
-    //font-size: 12px;
     .font-size-medium();
 
     &:hover,
@@ -399,7 +394,6 @@
       width: 100%;
       .box-shadow(none);
       margin: 0;
-      //font-size: 12px;
       .font-size-medium();
       float: none;
 
@@ -425,7 +419,6 @@
 
     .header-name {
       padding: 16px 2px 4px 10px;
-      //font-size: 12px;
       .font-size-medium();
     }
   }
@@ -482,7 +475,6 @@
   }
 
   label, span {
-    //font-size: 12px;
     .font-size-medium();
   }
 
@@ -527,7 +519,6 @@
 
 #panel-protect {
 label {
-  //font-size: 12px;
   .font-size-medium();
 }
 
diff --git a/apps/documenteditor/main/resources/less/navigation.less b/apps/documenteditor/main/resources/less/navigation.less
index 2f8f9a99c..06f246f4d 100644
--- a/apps/documenteditor/main/resources/less/navigation.less
+++ b/apps/documenteditor/main/resources/less/navigation.less
@@ -14,7 +14,6 @@
         border-bottom: @scaled-one-px-value-ie solid @border-toolbar-ie;
         border-bottom: @scaled-one-px-value solid @border-toolbar;
         label {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-top: 2px;
@@ -25,7 +24,6 @@
         padding-top: 45px;
         height: 100%;
         overflow: hidden;
-        //font-size: 12px;
         .font-size-medium();
 
         .treeview {
@@ -46,18 +44,15 @@
             }
         }
         &.small{
-            //font-size: 10px;
             .font-size-small();
         }
         &.medium{
-            //font-size: 12px;
             .font-size-medium();
             .name {
                 padding: 4px 0;
             }
         }
         &.large{
-            //font-size: 14px;
             .font-size-huge();
         }
         .name.not-header {
diff --git a/apps/documenteditor/main/resources/less/statusbar.less b/apps/documenteditor/main/resources/less/statusbar.less
index 8d06da7ba..08ee47e55 100644
--- a/apps/documenteditor/main/resources/less/statusbar.less
+++ b/apps/documenteditor/main/resources/less/statusbar.less
@@ -122,7 +122,6 @@
         margin-left: 137px;
         margin-bottom: 2px;
         width: 285px;
-        //font-size: 12px;
         .font-size-medium();
 
         > label {
diff --git a/apps/documenteditor/main/resources/less/thumbnails.less b/apps/documenteditor/main/resources/less/thumbnails.less
index e0b1adf70..4dc4b202d 100644
--- a/apps/documenteditor/main/resources/less/thumbnails.less
+++ b/apps/documenteditor/main/resources/less/thumbnails.less
@@ -18,7 +18,6 @@
         border-bottom: @scaled-one-px-value solid @border-toolbar;
 
         label {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-top: 2px;
@@ -35,7 +34,6 @@
 
         #thumbnails-size {
             label {
-                //font-size: 11px;
                 .font-size-normal();
                 font-weight: normal;
                 margin: 0;
diff --git a/apps/presentationeditor/main/resources/less/leftmenu.less b/apps/presentationeditor/main/resources/less/leftmenu.less
index 5ca7eee69..4f9724585 100644
--- a/apps/presentationeditor/main/resources/less/leftmenu.less
+++ b/apps/presentationeditor/main/resources/less/leftmenu.less
@@ -158,7 +158,6 @@
                 &:extend(.dropdown-menu > li > a);
                 padding-top: 4px;
                 cursor: pointer;
-                //font-size: 13px;
                 .font-size-large();
 
                 &:hover {
@@ -224,7 +223,6 @@
                         padding: 6px 10px;
                         width: auto !important;
                         &.group-name  label {
-                            //font-size: 14px;
                             .font-size-huge();
                             .font-weight-bold();
                         }
@@ -408,7 +406,6 @@
                     width: 100%;
                     .box-shadow(none);
                     margin: 0;
-                    //font-size: 12px;
                     .font-size-medium();
                     float: none;
 
@@ -488,7 +485,6 @@
             }
 
             label, span {
-                //font-size: 12px;
                 .font-size-medium();
             }
 
@@ -511,7 +507,6 @@
 
         #panel-protect {
             label {
-                //font-size: 12px;
                 .font-size-medium();
             }
 
diff --git a/apps/presentationeditor/main/resources/less/statusbar.less b/apps/presentationeditor/main/resources/less/statusbar.less
index 41ad296ec..156ecae0e 100644
--- a/apps/presentationeditor/main/resources/less/statusbar.less
+++ b/apps/presentationeditor/main/resources/less/statusbar.less
@@ -114,7 +114,6 @@
         margin-left: 142px;
         margin-bottom: 2px;
         width: 285px;
-        //font-size: 12px;
         .font-size-medium();
 
         > label {
diff --git a/apps/spreadsheeteditor/main/resources/less/celleditor.less b/apps/spreadsheeteditor/main/resources/less/celleditor.less
index 18131ebbf..77298486c 100644
--- a/apps/spreadsheeteditor/main/resources/less/celleditor.less
+++ b/apps/spreadsheeteditor/main/resources/less/celleditor.less
@@ -105,7 +105,6 @@
             resize: none;
             min-height: 19px;
             border: 0 none;
-            //font-size: 12px;
             .font-size-medium();
             line-height: 18px;
             padding-bottom: 0;
diff --git a/apps/spreadsheeteditor/main/resources/less/leftmenu.less b/apps/spreadsheeteditor/main/resources/less/leftmenu.less
index 17cf9f4db..a315f8934 100644
--- a/apps/spreadsheeteditor/main/resources/less/leftmenu.less
+++ b/apps/spreadsheeteditor/main/resources/less/leftmenu.less
@@ -143,7 +143,6 @@
                 &:extend(.dropdown-menu > li > a);
                 padding-top: 4px;
                 cursor: pointer;
-                //font-size: 13px;
                 .font-size-large();
 
                 &:hover {
@@ -211,7 +210,6 @@
                         width: 100%;
                         .box-shadow(none);
                         margin: 0;
-                        //font-size: 12px;
                         .font-size-medium();
 
                         .settings-item-wrap {
@@ -255,7 +253,6 @@
                         //padding: 5px 10px;
                         padding: 6px 10px;
                         &.group-name label {
-                            //font-size: 14px;
                             .font-size-huge();
                             .font-weight-bold();
                         }
@@ -275,7 +272,6 @@
                             label {
                                 .font-weight-bold();
                                 .font-size-medium();
-                                //font-size: 12px;
                             }
                         }
 
@@ -369,7 +365,6 @@
 
                     .title {
                         width: 104px;
-                        //font-size: 12px;
                         .font-size-medium();
                         line-height: 14px;
                         height: 28px;
@@ -408,7 +403,6 @@
             .recent-wrap {
                 padding: 5px 10px;
                 cursor: pointer;
-                //font-size: 12px;
                 .font-size-medium();
 
                 &:hover,
@@ -467,7 +461,6 @@
                     width: 100%;
                     .box-shadow(none);
                     margin: 0;
-                    //font-size: 12px;
                     .font-size-medium();
                     float: none;
 
@@ -547,7 +540,6 @@
             }
 
             label, span {
-                //font-size: 12px;
                 .font-size-medium();
             }
 
@@ -570,7 +562,6 @@
 
         #panel-protect {
             label {
-                //font-size: 12px;
                 .font-size-medium();
             }
 
diff --git a/apps/spreadsheeteditor/main/resources/less/spellcheck.less b/apps/spreadsheeteditor/main/resources/less/spellcheck.less
index 0420be3fe..bacb14b02 100644
--- a/apps/spreadsheeteditor/main/resources/less/spellcheck.less
+++ b/apps/spreadsheeteditor/main/resources/less/spellcheck.less
@@ -15,7 +15,6 @@
         border-bottom: @scaled-one-px-value solid @border-toolbar;
 
         label {
-            //font-size: 12px;
             .font-size-medium();
             .font-weight-bold();
             margin-top: 2px;
diff --git a/apps/spreadsheeteditor/main/resources/less/statusbar.less b/apps/spreadsheeteditor/main/resources/less/statusbar.less
index 4558beb39..176c46356 100644
--- a/apps/spreadsheeteditor/main/resources/less/statusbar.less
+++ b/apps/spreadsheeteditor/main/resources/less/statusbar.less
@@ -63,7 +63,6 @@
             margin-right: 160px;
             margin-bottom: 2px;
             width: 285px;
-            //font-size: 12px;
             .font-size-medium();
             left: auto;
             right: 0;