Added prefix tools

public/styles/tools/prefix.scss

@@ -0,0 +1,42 @@
+/*
+ *  Prefix Mixins
+ *    Mixins used to add browser prefix to values and/or properties
+ *
+ *  Version:
+ *    1.0.0 - 2018/02/23
+ */
+@mixin t-prefix-property($property, $value, $prefixes) {
+  @each $prefix in $prefixes {
+    @if $prefix == webkit {
+      -webkit-#{$property}: $value;
+    } @else if $prefix == moz {
+      -moz-#{$property}: $value;
+    } @else if $prefix == ms {
+      -ms-#{$property}: $value;
+    } @else if $prefix == o {
+      -o-#{$property}: $value;
+    } @else if $prefix == spec {
+      #{$property}: $value;
+    } @else  {
+      @warn 'Unrecognized prefix: #{$prefix}';
+    }
+  }
+}
+
+@mixin t-prefix-value($property, $value, $prefixes) {
+  @each $prefix in $prefixes {
+    @if $prefix == webkit {
+      #{$property}: -webkit-#{$value};
+    } @else if $prefix == moz {
+      #{$property}: -moz-#{$value};
+    } @else if $prefix == ms {
+      #{$property}: -ms-#{$value};
+    } @else if $prefix == o {
+      #{$property}: -o-#{$value};
+    } @else if $prefix == spec {
+      #{$property}: #{$value};
+    } @else  {
+      @warn 'Unrecognized prefix: #{$prefix}';
+    }
+  }
+}