Build CSS with PostCSS (hestiacp#3047)

Author: AlecRust

web/css/dependencies/normalize.min.css

@@ -1,3 +1,5 @@
+@import url("normalize.css");
+
 /* ==========================================================================
    Define Exo font family
    Primary font used throughout the user interface
@@ -1803,7 +1805,7 @@ body.mobile .l-unit-toolbar__col--right {
   -webkit-mask-box-image:
     radial-gradient(
       center,
-      ellipse cover,
+      ellipse farthest-corner,
       rgb(0 0 0 / 100%) 68%,
       rgb(0 0 0 / 0%) 69.5%
     );