Add themes folder

themes/airspace-hugo/assets/scss/_mixins.scss

@@ -0,0 +1,54 @@
+// Transition
+@mixin transition($what: all, $time: 0.2s, $how: ease-in-out) {
+  -webkit-transition: $what $time $how;
+  -moz-transition: $what $time $how;
+  -ms-transition: $what $time $how;
+  -o-transition: $what $time $how;
+  transition: $what $time $how;
+}
+
+@mixin transition-multi($x...){
+  -webkit-transition: $x;
+  -moz-transition: $x;
+  -ms-transition: $x;
+  -o-transition: $x;
+  transition: $x;
+}
+
+// Transform
+@mixin transform($transforms) {
+  -moz-transform: $transforms;
+  -o-transform: $transforms;
+  -ms-transform: $transforms;
+  -webkit-transform: $transforms;
+  transform: $transforms;
+}
+
+// rotate
+@mixin rotate ($deg) {
+  @include transform(rotate(#{$deg}deg));
+}
+
+// scale
+@mixin scale($scale) {
+  @include transform(scale($scale));
+}
+
+// translate
+@mixin translate ($x, $y) {
+  @include transform(translate($x, $y));
+}
+
+// skew
+@mixin skew ($x, $y) {
+  @include transform(skew(#{$x}deg, #{$y}deg));
+}
+
+//transform origin
+@mixin transform-origin ($origin) {
+  moz-transform-origin: $origin;
+  -o-transform-origin: $origin;
+  -ms-transform-origin: $origin;
+  -webkit-transform-origin: $origin;
+  transform-origin: $origin;
+}