diff --git a/less/_00-config.less b/less/_00-config.less
index 7e87c5c..1690bb8 100644
--- a/less/_00-config.less
+++ b/less/_00-config.less
@@ -26,6 +26,9 @@
 @primary-color          : #000; // text color on primary elements
 @secondary-color        : #000; // text color on secondary elements
 @headings-color         : #000; // text color on headings
+@headings-1-color       : #000; // text color on headings level 1
+@headings-2-color       : #000; // text color on headings level 2
+@headings-3-color       : #000; // text color on headings level 3
 @base-color-link        : #333; // base links color
 @base-color-link-hover  : #000; // base hovered/focused links color
 
diff --git a/less/_03-grids.less b/less/_03-grids.less
index 7b4de96..5e8a865 100644
--- a/less/_03-grids.less
+++ b/less/_03-grids.less
@@ -138,7 +138,7 @@
     @size: (@right / (@left + @right)) * 100%;
     width: ~'calc(@{size} - @{gutter} - .01px)';
   }
-  @media (max-width: @tiny-screen) {
+  @media (max-width: @small-screen) {
     & > *:nth-child(n) {
       width: ~'calc(100% - @{gutter} - .01px)';
     }
diff --git a/sass/_00-config.scss b/sass/_00-config.scss
index e510f74..9341b4c 100644
--- a/sass/_00-config.scss
+++ b/sass/_00-config.scss
@@ -26,6 +26,9 @@ $base-color             : #000 !default; // text color on body and content
 $primary-color          : #000 !default; // text color on primary elements
 $secondary-color        : #000 !default; // text color on secondary elements
 $headings-color         : #000 !default; // text color on headings
+$headings-1-color       : #000 !default; // text color on headings level 1
+$headings-2-color       : #000 !default; // text color on headings level 2
+$headings-3-color       : #000 !default; // text color on headings level 3
 $base-color-link        : #333 !default; // base links color
 $base-color-link-hover  : #000 !default; // base hovered/focused links color
 
diff --git a/sass/_03-grids.scss b/sass/_03-grids.scss
index 50b852f..613ec60 100644
--- a/sass/_03-grids.scss
+++ b/sass/_03-grids.scss
@@ -147,7 +147,7 @@
     $size: ($right / ($left + $right)) * 100%;
     width: calc(#{$size} - #{$gutter});
   }
-  @media (max-width: $tiny-screen) {
+  @media (max-width: $small-screen) {
     & > *:nth-child(n) {
       width: calc(100% - #{$gutter});
     }