Replace Sass with PostCSS, include imports and nesting

assets/sass/components/blockquote.sass

@@ -1,2 +0,0 @@
-blockquote
-  @apply border-l-4 border-blue pl-4 px-6 py-2

assets/sass/components/button.sass

@@ -1,6 +0,0 @@
-.button
-  @apply bg-blue inline-block rounded text-white px-4 py-2
-
-  &:active,
-  &:hover
-    @apply bg-blue-dark

assets/sass/components/link.sass

@@ -1,2 +0,0 @@
-.link
-  @apply text-blue

assets/sass/components/listing.sass

@@ -1,8 +0,0 @@
-.listing
-  @apply pl-0
-
-.listing-item
-  @apply overflow-hidden pb-8
-
-  &:not(:last-child)
-    @apply border-b border-grey-light mb-8

assets/sass/components/markdown.sass

@@ -1,21 +0,0 @@
-.markdown
-  h2
-    @apply mt-8 mb-3 text-black
-
-  h2, h3
-    @apply text-black
-
-  p,
-  li
-    a
-      @apply link
-
-    code
-      @apply bg-grey-lighter inline-block font-mono text-sm px-1 py-px
-
-  p:last-child
-    @apply mb-0
-
-  pre code,
-  .hljs
-    @apply bg-grey-lighter block border-grey-dark border-l-4 font-mono leading-loose overflow-x-scroll p-6 rounded text-sm

assets/sass/components/note.sass

@@ -1,9 +0,0 @@
-.note
-  @apply bg-blue-lighter
-  @apply border-blue border-l-4 mb-4 p-4 rounded
-
-  & > *:last-child
-    @apply mb-0
-
-  p a
-    @apply text-black

assets/sass/components/slides.sass

@@ -1,15 +0,0 @@
-.slides
-  background: url('../images/loading.gif') center no-repeat
-  min-height: 275px
-
-  @screen md
-    &
-      min-height: 375px
-
-  @screen lg
-    &
-      min-height: 450px
-
-  @screen xl
-    &
-      min-height: 560px

assets/sass/components/table.sass

@@ -1,20 +0,0 @@
-.table-collapse
-  @apply border-collapse
-
-.table-responsive
-  @apply mb-4 border w-full overflow-x-auto overflow-y-hidden
-
-  table
-    @apply mb-0 border-0 whitespace-no-wrap
-
-.table
-  @apply w-full table-collapse
-
-  tr:nth-child(odd)
-    @apply bg-grey-lighter
-
-  tr th
-    @apply text-left p-3 bg-white
-
-  td
-    @apply p-3 border-t

assets/sass/components/talk/video.sass

@@ -1,4 +0,0 @@
-.talk-video
-  iframe,
-  embed
-    @apply absolute h-full pin-l pin-t w-full

assets/sass/components/widget.sass

@@ -1,2 +0,0 @@
-.widget
-  @apply mb-6 block