Add customisation variables

sass/components/modal.sass

@@ -1,72 +1,32 @@
-.modal-background
-  +overlay
-  background-color: rgba($black, 0.86)
+$modal-z: 20 !default
 
-.modal-content,
-.modal-card
-  margin: 0 20px
-  max-height: calc(100vh - 160px)
-  overflow: auto
-  position: relative
-  width: 100%
-  // Responsiveness
-  +tablet
-    margin: 0 auto
-    max-height: calc(100vh - 40px)
-    width: 640px
+$modal-background-background-color: rgba($black, 0.86) !default
 
-.modal-close
-  +delete
-  background: none
-  height: 40px
-  position: fixed
-  right: 20px
-  top: 20px
-  width: 40px
+$modal-content-width: 640px !default
+$modal-content-margin-mobile: 20px !default
+$modal-content-spacing-mobile: 160px !default
+$modal-content-spacing-tablet: 40px !default
 
-.modal-card
-  display: flex
-  flex-direction: column
-  max-height: calc(100vh - 40px)
-  overflow: hidden
+$modal-close-dimensions: 40px !default
+$modal-close-right: 20px !default
+$modal-close-top: 20px !default
 
-.modal-card-head,
-.modal-card-foot
-  align-items: center
-  background-color: $background
-  display: flex
-  flex-shrink: 0
-  justify-content: flex-start
-  padding: 20px
-  position: relative
+$modal-card-spacing: 40px !default
 
-.modal-card-head
-  border-bottom: 1px solid $border
-  border-top-left-radius: $radius-large
-  border-top-right-radius: $radius-large
+$modal-card-head-background-color: $background !default
+$modal-card-head-border-bottom: 1px solid $border !default
+$modal-card-head-padding: 20px !default
+$modal-card-head-radius: $radius-large !default
 
-.modal-card-title
-  color: $text-strong
-  flex-grow: 1
-  flex-shrink: 0
-  font-size: $size-4
-  line-height: 1
+$modal-card-title-color: $text-strong !default
+$modal-card-title-line-height: 1 !default
+$modal-card-title-size: $size-4 !default
 
-.modal-card-foot
-  border-bottom-left-radius: $radius-large
-  border-bottom-right-radius: $radius-large
-  border-top: 1px solid $border
-  .button
-    &:not(:last-child)
-      margin-right: 10px
+$modal-card-foot-radius: $radius-large !default
+$modal-card-foot-border-top: 1px solid $border !default
 
-.modal-card-body
-  +overflow-touch
-  background-color: $white
-  flex-grow: 1
-  flex-shrink: 1
-  overflow: auto
-  padding: 20px
+$modal-card-body-background-color: $white !default
+$modal-card-body-padding: 20px !default
 
 .modal
   +overlay
@@ -75,7 +35,77 @@
   justify-content: center
   overflow: hidden
   position: fixed
-  z-index: 20
+  z-index: $modal-z
   // Modifiers
   &.is-active
     display: flex
+
+.modal-background
+  +overlay
+  background-color: $modal-background-background-color
+
+.modal-content,
+.modal-card
+  margin: 0 $modal-content-margin-mobile
+  max-height: calc(100vh - #{$modal-content-spacing-mobile})
+  overflow: auto
+  position: relative
+  width: 100%
+  // Responsiveness
+  +tablet
+    margin: 0 auto
+    max-height: calc(100vh - #{$modal-content-spacing-tablet})
+    width: $modal-content-width
+
+.modal-close
+  +delete
+  background: none
+  height: $modal-close-dimensions
+  position: fixed
+  right: $modal-close-right
+  top: $modal-close-top
+  width: $modal-close-dimensions
+
+.modal-card
+  display: flex
+  flex-direction: column
+  max-height: calc(100vh - #{$modal-card-spacing})
+  overflow: hidden
+
+.modal-card-head,
+.modal-card-foot
+  align-items: center
+  background-color: $modal-card-head-background-color
+  display: flex
+  flex-shrink: 0
+  justify-content: flex-start
+  padding: $modal-card-head-padding
+  position: relative
+
+.modal-card-head
+  border-bottom: $modal-card-head-border-bottom
+  border-top-left-radius: $modal-card-head-radius
+  border-top-right-radius: $modal-card-head-radius
+
+.modal-card-title
+  color: $modal-card-title-color
+  flex-grow: 1
+  flex-shrink: 0
+  font-size: $modal-card-title-size
+  line-height: $modal-card-title-line-height
+
+.modal-card-foot
+  border-bottom-left-radius: $modal-card-foot-radius
+  border-bottom-right-radius: $modal-card-foot-radius
+  border-top: $modal-card-foot-border-top
+  .button
+    &:not(:last-child)
+      margin-right: 10px
+
+.modal-card-body
+  +overflow-touch
+  background-color: $modal-card-body-background-color
+  flex-grow: 1
+  flex-shrink: 1
+  overflow: auto
+  padding: $modal-card-body-padding