rounded corners of items in Gnome theme, returnal of needed command in Makefile

Makefile

@@ -22,7 +22,7 @@ init:
 	@echo "Initialize ..."; \
   	version="$$(cat VERSION.md)"; \
 	version=$${version:8}; \
-	search="s/string version_application.*$&"; \
+	search="s/string version_application.*"; \
 	echo $$search; \
 	replace="string version_application = \"$${version}\";"; \
 	sed -i -e "$$search/$$replace/gi" source/ubl-settings-manager.h; \
@@ -115,6 +115,7 @@ install: check uninstall
 		install -dm755 /usr/share/icons/hicolor/$${SIZE}x$${SIZE}/apps; \
 		rsvg-convert -w $${SIZE} -h $${SIZE} -f svg --keep-image-data ${PKGNAME}.svg -o "/usr/share/icons/hicolor/$${SIZE}x$${SIZE}/apps/${PKGNAME}.svg"; \
 	done
+	@install -dm755 /usr/share/icons/hicolor/scalable/apps
 	@install -Dm644 -t /usr/share/icons/hicolor/scalable/apps/ ${PKGNAME}.svg
 	@install -Dm755 -t /usr/bin/ ${CMAKE_BUILD_DIR}/${PKGNAME} 
 	@install -Dm644 -t /usr/share/applications/ ${PKGNAME}.desktop

ubl-settings-manager.css

@@ -4,7 +4,6 @@ background-color: #404040;
 
 
 #GnomeIcon{
-  border-radius: 0px;
 	border-style:solid;
 	border-bottom-width: 1px;
 	border-image: linear-gradient(90deg, alpha(@theme_text_color,0.4) 55%, alpha(@theme_bg_color, 0) 100%);