minor changes to slider

.config/gtk-3.0/gtk-widgets.css

@@ -188,15 +188,17 @@ scale:hover trough highlight {
     background: @acc1_color;
 }
 
-scale trough slider,
-scale:hover trough slider{
+slider,
+slider:hover {
     background: @acc1_color;
-    border-radius: 5px;
+    border-radius: 8px;
+    margin-bottom: -10px;
+    margin-top: -10px;
 }
 
 scale trough,
 scale:hover trough {
-    background: mix(@fg_color, @bg_color, 0.5);
+    background: @bg_color;
 }
 
 button:hover label,