proper sass support

.gitignore

@@ -1,2 +1,3 @@
 _site/*
 *.swp
+.sass-cache

assets/css/ie8.css

@@ -1,47 +0,0 @@
-/*
-	Dopetrope by HTML5 UP
-	html5up.net | @ajlkn
-	Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
-*/
-
-/* Basic */
-
-	form input[type=text],
-	form input[type=password],
-	form select,
-	form textarea {
-		position: relative;
-		-ms-behavior: url("assets/js/ie/PIE.htc");
-	}
-
-	input[type="button"],
-	input[type="submit"],
-	input[type="reset"],
-	button,
-	.button,
-	ul.social li a,
-	.icon.featured,
-	#copyright .links,
-	#nav > ul > li > a {
-		position: relative;
-		-ms-behavior: url("assets/js/ie/PIE.htc");
-	}
-
-/* Nav */
-
-	.dropotron {
-		position: relative;
-		-ms-behavior: url("assets/js/ie/PIE.htc");
-	}
-
-		.dropotron.level-0 {
-			box-shadow: none !important;
-		}
-
-/* Banner */
-
-	#banner {
-		background-position: auto;
-		background-size: contain;
-		-ms-behavior: url("assets/js/ie/backgroundsize.min.htc");
-	}

assets/css/ie8.scss

@@ -1,6 +1,9 @@
-@import 'libs/vars';
-@import 'libs/functions';
-@import 'libs/mixins';
+---
+---
+
+@import 'vars';
+@import 'functions';
+@import 'mixins';
 
 /*
 	Dopetrope by HTML5 UP

assets/css/main.scss

@@ -1,6 +1,8 @@
-@import 'libs/vars';
-@import 'libs/functions';
-@import 'libs/mixins';
+---
+---
+@import 'vars';
+@import 'functions';
+@import 'mixins';
 @charset "UTF-8";
 @import url("font-awesome.min.css");
 @import url("https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700,900,300italic");
@@ -11,7 +13,7 @@
 	Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
 */
 
-	@import "libs/skel";
+	@import "skel";
 
 	@include skel-breakpoints((
 		desktop: '(min-width: 737px)',