KNACSS/sass/_config/_variables.scss

// Config file and project variables

// tiny font sizes (mobile first)
$base-font-size : 1.4rem; // ex. 1.4rem would be "14px" equivalent
$line-height    : 1.4;
$h1-size        : 2.8rem; // equiv "28px"
$h2-size        : 2.4rem; // equiv "24px"
$h3-size        : 2.0rem; // equiv "20px"
$h4-size        : 1.8rem; // equiv "18px"
$h5-size        : 1.6rem; // equiv "16px"
$h6-size        : 1.4rem; // equiv "14px"

// large font sizes
$base-font-size-l : 1.6rem; // ex. 1.6rem would be "16px" equivalent
$line-height-l    : 1.5;
$h1-size-l        : 3.2rem; // equiv "32px"
$h2-size-l        : 2.8rem; // equiv "28px"
$h3-size-l        : 2.4rem; // equiv "24px"
$h4-size-l        : 2.0rem; // equiv "20px"
$h5-size-l        : 1.8rem; // equiv "18px"
$h6-size-l        : 1.6rem; // equiv "16px"

// font stacks
$font-stack-common    : -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif; // system font stack
$font-stack-headings  : sans-serif; // headings font
$font-stack-monospace : consolas, courier, monospace; // monospace font

// color scheme
$color1         : #000;
$color2         : #fff;
$color3         : #333;
$color4         : #000;
$color5         : #6FA939;
$color6         : #ddd;
$color7         : #777;
$color-light    : #fff;
$color-dark     : #000;
$color-primary  : #0275D8;
$color-success  : #5CB85C;
$color-info     : #5BC0DE;
$color-warning  : #F0AD4E;
$color-danger   : #D9534F;
$color-inverse  : #292B2C;
$color-ghost    : transparent;
$color-muted    : #F7F7F7;

// colors used in project
$color-base      : $color1;
$background-base : $color2;

$color-link      : $color3;
$color-link-hover: $color4;

$brand-primary: $color5;

$color-forms: $color7;
$color-burger: $color1;

// button, badges, alerts color variants list
// name - background-color - color - border
$variants-list: (
  (primary,    $color-primary,    $color-light,    none),
  (success,    $color-success,    $color-light,    none),
  (info,       $color-info,       $color-light,    none),
  (warning,    $color-warning,    $color-light,    none),
  (danger,     $color-danger,     $color-light,    none),
  (inverse,    $color-inverse,    $color-light,    none),
  (ghost,      $color-ghost,      $color-light,    0 0 0 1px $color-light inset)
);

// spacings (choose unit you prefer)
$tiny-value             : .5rem ; // tiny value for margins / paddings
$tiny-plus-value        : .7rem ; // tiny+ value for margins / paddings
$small-value            : 1rem ; // small value for margins / paddings
$small-plus-value       : 1.5rem ; // small+ value for margins / paddings
$medium-value           : 2rem ; // medium value for margins / paddings
$medium-plus-value      : 3rem ; // medium+ value for margins / paddings
$large-value            : 4rem ; // large value for margins / paddings
$large-plus-value       : 6rem ; // large value for margins / paddings
$extra-large-value      : 8rem ; // extra large value for margins / paddings
$extra-large-plus-value : 12rem ; // extra large value for margins / paddings
$ultra-large-value      : 16rem ; // ultra large value for margins / paddings
$ultra-large-plus-value : 20rem ; // ultra large value for margins / paddings

// grid gutters (for .has-gutter-* classes)
$grid-gutters: ( '': 1rem, '-l': 2rem, '-xl': 4rem );

// border-radius
$border-radius: 0;