$heading-font-family: $font-family !default;
$heading-font-weight: $bold-font-weight !default;
$heading-line-height: 1.25 !default;

$heading-margin-top: $space-3 !default;
$heading-margin-bottom: $space-3 !default;

$h1: 1.75em !default;
$h2: 1.5em !default;
$h3: 1.25em !default;
$h4: 1.1em !default;
$h5: .875em !default;
$h6: .75em !default;

h1, h2, h3, h4, h5, h6 {
  font-family: $heading-font-family;
  font-weight: $heading-font-weight;
  line-height: $heading-line-height;
}

h1, .h1 { font-size: $h1 }
h2, .h2 { font-size: $h2 }
h3, .h3 { font-size: $h3 }
h4, .h4 { font-size: $h4 }
h5 { font-size: $h5 }
h6 { font-size: $h6 }

h1, h2 {
  margin-top: $heading-margin-top;
  margin-bottom: $heading-margin-bottom;
}

h3, h4, h5, h6 {
  margin-top: $space-2;
  margin-bottom: $space-2;
}