Minor fixes.

less/_core.less

@@ -5,7 +5,7 @@
 
   display: inline-block;
   font-size: inherit; // can't have font-size inherit on line above, so need to override
-  font: normal normal normal @{wi-font-size-base}/1 WeatherIcons; // shortening font declaration
+  font: normal normal normal @wi-font-size-base/1 WeatherIcons; // shortening font declaration
   text-rendering: auto; // optimizelegibility throws things off #1094
   transform: translate(0, 0); // ensures no half-pixel rendering in firefox
   -moz-osx-font-smoothing: grayscale;

less/weather-icons.less

@@ -28,18 +28,18 @@
  */
 
 // the building blocks
-@import "variables";
-@import "mixins";
-@import "font";
-@import "core";
-// @import "functions";
-@import "icons";
+@import "_variables.less";
+@import "_mixins.less";
+@import "_font.less";
+@import "_core.less";
+// @import "_functions.less";
+@import "_icons.less";
 
 // the sizzle
-// @import "animated";
-// @import "bordered-pulled";
-// @import "fixed-width";
-// @import "list";
-@import "rotated-flipped";
-// @import "sizes";
-// @import "stacked";
+// @import "_animated.less";
+// @import "_bordered-pulled.less";
+// @import "_fixed-width.less";
+// @import "_list.less";
+@import "_rotated-flipped.less";
+// @import "_sizes.less";
+// @import "_stacked.less";