Don't compile SASS we don't need to

css/style.css

@@ -89,6 +89,7 @@ body {
     .slide div .project {
       transition-duration: .2s;
       width: 390px;
+      padding: 0 0 1em 0;
       border: 1px solid #aaa;
       border-radius: 5px;
       overflow: hidden; }

gulpfile.js

@@ -12,7 +12,7 @@ gulp.task('default', function() {
 })
 gulp.task('style', function() {
     // place code for your default task here
-    gulp.src('./sass/*.scss')
+    gulp.src('./sass/style.scss')
         .pipe(sass().on('error', sass.logError))
         .pipe(gulp.dest('./css/'));
 });