diff --git a/css/base.less b/css/base.less
index 898e813..752d451 100755
--- a/css/base.less
+++ b/css/base.less
@@ -1,5 +1,5 @@
 /**
- * This file provides the basic vars and reset styles.
+ * This file provides the basic/reset styles.
  */
 
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
@@ -169,6 +169,7 @@
 @grid-columns:      12;
 
 
+
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
 /* all media */
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
diff --git a/css/base_structure.less b/css/base_structure.less
index bf8a96b..82bc96b 100755
--- a/css/base_structure.less
+++ b/css/base_structure.less
@@ -3,7 +3,7 @@
  */
 
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
-/* Col Grid */
+/* col grid */
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
 .make-grid(xs);
 
@@ -13,6 +13,9 @@
     }
 }
 
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* font sizing */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
 @media @screen_min-xxs {
     html {
         font-size: 100%; //16px
@@ -58,7 +61,9 @@
     }
 }
 
-/* + + + + +  z-indices  + + + + + */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* z-indices */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
 @media screen {
     .nav-direct p {
         z-index: 1000; // keyboard-navigation overlays always on top
@@ -120,7 +125,12 @@
             z-index: 200; // mobile sidebar above all except nav-direct
     }
 }
-/* + + + + +  end of z-indices  + + + + + */
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* screen sizing */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+
+// >= 1024
 @media @screen_min-md {
 
     .content .row > .col-xs-12 {
@@ -222,6 +232,7 @@
     }
 }
 
+// > 1024
 @media @screen_md-lg {
     .wide-content.showSidebar {
         .content {
diff --git a/css/base_vars.less b/css/base_vars.less
new file mode 100644
index 0000000..60c46f2
--- /dev/null
+++ b/css/base_vars.less
@@ -0,0 +1,165 @@
+/**
+ * This file provides the basic vars
+ */
+
+@font_family_screen:       arial, sans-serif;
+@font_family_print:        "Times New Roman", serif;
+
+@nav_direct_background:    @ini_background;
+@nav_direct_color:         @ini_existing;
+
+@background_darker:        rgba(230,230,230, .2);
+@ini_sidebar_width:        (100 - @ini_site_width) - 4;
+
+@height-context-bar:       50px;
+
+@margin-small:             1rem;
+@margin-default:           2rem;
+@margin-big:               3.07rem;
+@nav-margin:               1.3rem;
+
+@small-spacing:            .3rem;
+@very-small-spacing:       .2rem;
+
+@grid:                     @margin-small;
+@toggle-size:              1.75rem;
+
+@transition:               ease-out .30s;
+
+@box-shadow-offset:        .1em .1em .1em rgba(153,153,153,.5); // tabinclude
+@box-shadow:               0 0 .5em rgba(153,153,153,.5); // pagetoolbox hover
+@box-shadow-colored:       0 0 .5em fade(@ini_existing, 50%);
+@box-shadow-right-bottom:  .1em .3rem .5em rgba(153,153,153,.5);
+@box-shadow-bottom:        0 .1em .5em rgba(153,153,153,.5); // qc-wrapper (breadcrumb), struct inline-editor
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* for programmers customizing */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+@fix_border-radius:        3px;           // inputs, editbox (textarea), buttons, content, code, quicksearch, msg
+
+@toggle-showsidebar_width: 3.47rem;       // shown sidebar after toggle
+
+@headericons-margin-xxs:  .45rem;         // screen xxs margin-top for header icons
+
+@page_padding-top:         @margin-small; // padding-top for 'dokuwiki__content'
+@page-header_height:       2.8rem;        // minimum: 2.8rem (height for breadcrumb, page-header, page-footer)
+@meta-box_height:          (@page-header_height - @page_padding-top);
+@breadcrumb_height:        @page-header_height;
+
+@formfield_min-height:     2rem;          // min-height for input, textarea, select, keygen
+
+@code-background:          #F6F6F6; /* code, pre, samp, kbd */
+
+/* icons */
+@noopentasks-background:   #ECECEC; /* metabox tabs + num in icons + tabinclude */
+@noopentasks-border:       #BBB; /* metabox tabs + num in icons + code, pre, samp, kbd */
+@noopentasks-color:        #666; /* metabox tabs + num in icons + code, pre, samp, kbd */
+@wikiicons-border:         #CCC; /* usertools, breadcrumbs icons, pagetools box-hover */
+
+/* navigation left */
+@menu-margin-lg: 1.3rem;
+
+@quicksearch-button-color: @noopentasks-color; /* autosuggest, submit in quicksearch */
+@suggestion-zebra:         #EEE;
+
+/* edit mode */
+@highlight-odd-ini_text:  fade(@ini_background, 95%);
+@highlight-even-ini_text: fade(@ini_text, 5%);
+@color-editBox:           #252525; // editmode for tables, revision states
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* fonts */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+@font-size-very-small:     .73rem;
+@font-size-small:          .88rem;
+@font-size-default:        1rem;
+@font-size-big:            1.5rem;
+@font-size-bigger:         1.75rem;
+
+@line-height-default:      125%;
+@line-height-big:          135%;
+@line-height-bigger:       140%;
+
+@font-weight-bold:         800;
+@font-weight-normal:       400;
+
+@font-scale-factor:        .0769;
+
+@font-size-head6: @font-size-default;
+@font-size-head5: @font-size-default + @font-scale-factor;
+@font-size-head4: @font-size-default + (@font-scale-factor * 3);
+@font-size-head3: @font-size-default + (@font-scale-factor * 5);
+@font-size-head2: @font-size-default + (@font-scale-factor * 7);
+@font-size-head1: @font-size-default + (@font-scale-factor * 9);
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* breakpoints */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+@break-min-xxs: 480;
+@break-max-xxs: (@break-min-xxs - 1);
+
+@break-min-xs: 768;
+@break-max-xs: (@break-min-xs - 1);
+
+@break-min-sm: 992;
+@break-max-sm: (@break-min-sm - 1);
+
+@break-min-md: 1024;
+@break-max-md: (@break-min-md - 1);
+
+@break-min-lg: 1200;
+@break-max-lg: (@break-min-lg - 1);
+
+@break-min-xlg: 1440;
+@break-max-xlg: (@break-min-xlg - 1);
+
+@break-min-xxlg: 1600;
+@break-max-xxlg: (@break-min-xxlg - 1);
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* media queries for breakpoints */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+@screen_min-xxs: ~"only screen and (min-width: " ~"@{break-min-xxs}px)";
+@screen_max-xxs: ~"only screen and (max-width: " ~"@{break-max-xxs}px)";
+
+@screen_min-xs: ~"only screen and (min-width: " ~"@{break-min-xs}px)";
+@screen_max-xs: ~"only screen and (max-width: " ~"@{break-max-xs}px)";
+
+@screen_min-sm: ~"only screen and (min-width: " ~"@{break-min-sm}px)";
+@screen_max-sm: ~"only screen and (max-width: " ~"@{break-max-sm}px)";
+
+@screen_min-md: ~"only screen and (min-width: " ~"@{break-min-md}px)";
+@screen_max-md: ~"only screen and (max-width: " ~"@{break-max-md}px)";
+
+@screen_min-lg: ~"only screen and (min-width: " ~"@{break-min-lg}px)";
+@screen_max-lg: ~"only screen and (max-width: " ~"@{break-max-lg}px)";
+
+@screen_min-xlg: ~"only screen and (min-width: " ~"@{break-min-xlg}px)";
+@screen_max-xlg: ~"only screen and (max-width: " ~"@{break-max-xlg}px)";
+
+@screen_min-xxlg: ~"only screen and (min-width: " ~"@{break-min-xxlg}px)";
+@screen_max-xxlg: ~"only screen and (max-width: " ~"@{break-max-xxlg}px)";
+
+@screen_only-md: ~"only screen and (min-width: 800px) and (max-width: " ~"@{break-max-md}px)";
+@screen_only-xlg: ~"only screen and (min-width: " ~"@{break-min-xlg}px) and (max-width: " ~"@{break-max-xxlg}px)";
+@screen_md-xlg: ~"only screen and (min-width: " ~"@{break-min-md}px) and (max-width: " ~"@{break-max-xlg}px)";
+@screen_md-lg: ~"only screen and (min-width: " ~"@{break-min-md}px) and (max-width: " ~"@{break-max-lg}px)";
+@screen_xs-lg: ~"only screen and (min-width: " ~"@{break-min-xs}px) and (max-width: " ~"@{break-max-md}px)";
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* col width */
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */
+@c12:               100%;
+@c11:               91.66666667%;
+@c10:               83.33333333%;
+@c9:                75%;
+@c8:                66.66666667%;
+@c7:                58.33333333%;
+@c6:                50%;
+@c5:                41.66666667%;
+@c4:                33.33333333%;
+@c3:                25%;
+@c2:                16.66666667%;
+@c1:                8.33333333%;
+
+@grid-columns:      12;
diff --git a/style.ini b/style.ini
index 35dae3b..1fc6abc 100755
--- a/style.ini
+++ b/style.ini
@@ -50,6 +50,7 @@
 
 ; _____________  basic styles  _____________
 
+css/base_vars.less                    = all
 css/base.less                         = all
 css/base_mixins.less                  = all
 css/base_fontello-icons.less          = all
diff --git a/template.info.txt b/template.info.txt
index 0f10eae..cb9b1c7 100755
--- a/template.info.txt
+++ b/template.info.txt
@@ -1,7 +1,7 @@
 base     sprintdoc
 author   Jana Deutschlaender
 email    dokuwiki@cosmocode.de
-date     2019-03-21
+date     2019-04-03
 name     sprintDoc Template
 desc     modern, responsive template that integrates multiple plugins
 url      https://www.dokuwiki.org/template:sprintdoc