Add placeholders

sass/components/level.sass

@@ -1,4 +1,4 @@
-@import "../base/classes.sass"
+@import "../base/placeholders.sass"
 @import "../utilities/mixins.sass"
 @import "../utilities/variables.sass"
 
@@ -37,7 +37,7 @@
     justify-content: flex-end
 
 .level
-  @extend .block
+  @extend %block
   align-items: center
   justify-content: space-between
   code

sass/components/message.sass

@@ -1,4 +1,4 @@
-@import "../base/classes.sass"
+@import "../base/placeholders.sass"
 @import "../utilities/functions.sass"
 @import "../utilities/variables.sass"
 
@@ -21,7 +21,7 @@
     border-top: none
 
 .message
-  @extend .block
+  @extend %block
   background-color: $background
   border-radius: $radius
   // Colors

sass/components/modal.sass

@@ -1,4 +1,4 @@
-@import "../elements/other.sass"
+@import "../base/placeholders.sass"
 @import "../utilities/mixins.sass"
 @import "../utilities/variables.sass"
 
@@ -6,7 +6,8 @@
   +overlay
   background-color: rgba($black, 0.86)
 
-.modal-content
+.modal-content,
+.modal-card
   margin: 0 20px
   max-height: calc(100vh - 160px)
   overflow: auto
@@ -19,7 +20,7 @@
     width: 640px
 
 .modal-close
-  @extend .delete
+  @extend %delete
   background: none
   height: 40px
   position: fixed
@@ -28,7 +29,6 @@
   width: 40px
 
 .modal-card
-  @extend .modal-content
   display: flex
   flex-direction: column
   max-height: calc(100vh - 40px)

sass/components/nav.sass

@@ -1,11 +1,11 @@
-@import "../elements/other.sass"
+@import "../base/placeholders.sass"
 @import "../utilities/mixins.sass"
 @import "../utilities/variables.sass"
 
 // Components
 
 .nav-toggle
-  @extend .hamburger
+  @extend %hamburger
   // Responsiveness
   +tablet
     display: none

sass/components/tabs.sass

@@ -1,10 +1,9 @@
-@import "../base/classes.sass"
-@import "../elements/other.sass"
+@import "../base/placeholders.sass"
 @import "../utilities/variables.sass"
 
 .tabs
-  @extend .block
-  @extend .unselectable
+  @extend %block
+  @extend %unselectable
   align-items: stretch
   display: flex
   justify-content: space-between