diff --git a/gtk-3.20/scss/widgets/_grid.scss b/gtk-3.20/scss/widgets/_grid.scss
index 11b7bb3..212f1de 100644
--- a/gtk-3.20/scss/widgets/_grid.scss
+++ b/gtk-3.20/scss/widgets/_grid.scss
@@ -28,12 +28,12 @@
 
             &:hover { background-color: if(variant == light, transparentize($fg_color, .9), transparentize($fg_color, .95)); }
 
-            &:active { box-shadow: inset 0 2px 2px -2px transparentize(black, .8); }
+            &:active { box-shadow: inset 0 2px 2px -2px transparentize($black, .8); }
 
             &:backdrop:hover { background-color: transparent; }
 
             &:selected {
-                &:active { box-shadow: inset 0 2px 3px -1px transparentize(black, .5); }
+                &:active { box-shadow: inset 0 2px 3px -1px transparentize($black, .5); }
 
                 &.has-open-popup,
                 &:hover { background-color: mix($fg_color, $selected_bg_color, .1); }
diff --git a/gtk-3.20/scss/widgets/_notebook.scss b/gtk-3.20/scss/widgets/_notebook.scss
index ba98226..a3a308a 100644
--- a/gtk-3.20/scss/widgets/_notebook.scss
+++ b/gtk-3.20/scss/widgets/_notebook.scss
@@ -135,7 +135,7 @@
                 &:hover:not(:active):not(:backdrop) {
                     background-clip: padding-box;
                     background-image: none;
-                    background-color: transparentize(white, 0.7);
+                    background-color: transparentize($white, .7);
                     border-color: transparent;
                     box-shadow: none;
                 }
diff --git a/gtk-3.20/scss/widgets/_progress.scss b/gtk-3.20/scss/widgets/_progress.scss
index 3536d43..2d2eb05 100644
--- a/gtk-3.20/scss/widgets/_progress.scss
+++ b/gtk-3.20/scss/widgets/_progress.scss
@@ -182,7 +182,7 @@
             border-radius: 2.5px;
             background-color: $_scale_trough_bg;
 
-            &:disabled { background-color: transparentize($_scale_trough_bg, 0.45); }
+            &:disabled { background-color: transparentize($_scale_trough_bg, .45); }
 
             //OSD troughs
             .osd & {
@@ -196,7 +196,7 @@
             // Troughs in selected list-rows and infobars
             row:selected &,
             infobar & {
-                background-color: transparentize(black, 0.8);
+                background-color: transparentize($black, .8);
 
                 highlight {
                     background-color: $selected_fg_color;
@@ -204,7 +204,7 @@
                     &:disabled { background-color: mix($selected_fg_color, $selected_bg_color, .55); }
                 }
 
-                &:disabled { background-color: transparentize(black, 0.9); }
+                &:disabled { background-color: transparentize($black, .9); }
             }
         }
 
@@ -213,20 +213,20 @@
             border-radius: 2.5px;
             background-color: $selected_bg_color;
 
-            &:disabled { background-color: transparentize($selected_bg_color, 0.45); }
+            &:disabled { background-color: transparentize($selected_bg_color, .45); }
         }
 
         // this is another differently styled part of the trough, the most relevant use case is for example
         // in media player to indicate how much video stream as been cached
         fill {
             border-radius: 2.5px;
-            background-color: transparentize($selected_bg_color, 0.5);
+            background-color: transparentize($selected_bg_color, .5);
 
             &:disabled { background-color: transparent; }
         }
 
         slider {
-            $_slider_border: if($variant=='light', transparentize(shade($button_border, .25), 0.5), darken($button_border,2%));
+            $_slider_border: if($variant == 'light', transparentize(shade($button_border, .25), .5), darken($button_border, 2%));
 
             background-color: $button_bg;
             border: 1px solid $_slider_border;
@@ -245,7 +245,7 @@
 
             &:disabled {
                 background-color: mix($fg_color, $bg_color, .55);
-                border-color: transparentize($_slider_border, 0.2);
+                border-color: transparentize($_slider_border, .2);
             }
 
             // Selected list-row and infobar sliders
@@ -287,10 +287,10 @@
             }
         }
 
-        value { color: alpha(currentColor, 0.4); }
+        value { color: alpha(currentColor, .4); }
 
         marks {
-            color: alpha(currentColor, 0.4);
+            color: alpha(currentColor, .4);
 
             @each $marks_class, $marks_pos, $marks_margin in (top, top, bottom),
                 (bottom, bottom, top),
diff --git a/gtk-3.20/scss/widgets/_scrollbar.scss b/gtk-3.20/scss/widgets/_scrollbar.scss
index 9c8a095..0ae1331 100644
--- a/gtk-3.20/scss/widgets/_scrollbar.scss
+++ b/gtk-3.20/scss/widgets/_scrollbar.scss
@@ -62,7 +62,7 @@
                     min-width: $_slider_small_width;
                     min-height: $_slider_small_width;
                     background-color: $fg_color;
-                    border: 1px solid if($variant == "light", white, black);
+                    border: 1px solid if($variant == 'light', $white, $black);
                 }
 
                 // hide steppers
diff --git a/gtk-3.20/scss/widgets/_view.scss b/gtk-3.20/scss/widgets/_view.scss
index 74bb88d..0173eea 100644
--- a/gtk-3.20/scss/widgets/_view.scss
+++ b/gtk-3.20/scss/widgets/_view.scss
@@ -170,8 +170,8 @@
             border: 1px solid $selected_borders_color;
             background-color: $selected_bg_color;
             //background-image: linear-gradient(to bottom, $selected_bg_color, darken($selected_bg_color, .1));
-            box-shadow: inset 0 1px if($variant == 'light', transparentize(white, .7), transparentize(white, .85)),
-            0 1px if($variant == 'light', transparentize(black, .8), transparentize(black, .9));
+            box-shadow: inset 0 1px if($variant == 'light', transparentize($white, .7), transparentize($white, .85)),
+            0 1px if($variant == 'light', transparentize($black, .8), transparentize($black, .9));
 
             &:selected {
                 &:focus, & {
@@ -179,7 +179,7 @@
                         color: $selected_fg_color;
                         box-shadow: none;
                     } @else {
-                        box-shadow: inset 0 1px transparentize(white, .95);
+                        box-shadow: inset 0 1px transparentize($white, .95);
                     }
 
                     @include linear-gradient($selected_bg_color);
@@ -286,7 +286,7 @@
 
 @include exports("separator") {
     separator { // vbox and hbox separators
-        background: transparentize(black, .9);
+        background: transparentize($black, .9);
         min-width: 1px;
         min-height: 1px;
     }