diff --git a/install.sh b/install.sh
index 0332eb56..a40bbdcd 100755
--- a/install.sh
+++ b/install.sh
@@ -197,7 +197,7 @@ else
   if [[ "${libadwaita}" == 'true' ]]; then
     if [[ "$UID" != '0' ]]; then
       install_libadwaita
-      echo; prompt -w "Some colorsheme extension will re-writes config files in '${HOME}/.config/gtk-4.0' like: 'custom-accent-colors' you need disable it!"
+      echo; prompt -w "Some colorsheme extension will re-writes config files in '${HOME}/.config/gtk-4.0' like: 'custom-accent-colors' you need to disable it!"
     else
       echo; prompt -e "Do not run '--libadwaita' option with sudo!"
     fi
diff --git a/src/sass/_colors.scss b/src/sass/_colors.scss
index 26ec674e..39d40c28 100644
--- a/src/sass/_colors.scss
+++ b/src/sass/_colors.scss
@@ -1,7 +1,12 @@
-@function gtkalpha($c,$a) {
-  @return unquote("alpha(#{$c},#{$a})");
+@function gtkalpha($c, $a) {
+  @if type-of($c) == 'color' {
+    @return rgba($c, $a);                     // objeto-cor quando $c é cor Sass
+  }
+  @return unquote("rgba(#{$c}, #{$a})");      // string para currentColor etc.
 }
 
+
+
 @function gtkmix($c1,$c2,$r) {
   $ratio: 1 -  $r / 100%; // match SCSS gtkmix()
   @return unquote("mix(#{$c1},#{$c2},#{$ratio})");
diff --git a/src/sass/cinnamon/_common.scss b/src/sass/cinnamon/_common.scss
index 7347cfd8..a9a12e8e 100644
--- a/src/sass/cinnamon/_common.scss
+++ b/src/sass/cinnamon/_common.scss
@@ -2353,6 +2353,7 @@ StScrollBar {
 
   &-box {
     padding: 0 8px;
+    spacing: 4px;
     color: $panel_fg;
     text-shadow: none;
     transition-duration: 100;
@@ -2408,7 +2409,7 @@ StScrollBar {
     height: 32px;
     background-color: transparent;
     border: none;
-    border-radius: 0;
+    border-radius: 32px;
 }
 
 .user-label {