CSS warnings

[nafg]

Thank you for filing a bug against the Paper theme, however please try and provide the following information while doing so:

• the GNOME/GTK version that is on your system

$ gnome-shell --version
GNOME Shell 3.24.2

• which Linux distribution you are running

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 17.04
Release:	17.04
Codename:	zesty

• the version of Paper you are using

$ apt show paper-gtk-theme
Package: paper-gtk-theme
Version: 2.1+r265~daily~ubuntu17.04.1
Priority: optional
Section: gnome
Maintainer: Sam Hewitt <[email protected]>
Installed-Size: 4,760 kB
Depends: gtk2-engines-pixbuf
Download-Size: 465 kB
APT-Manual-Installed: yes
APT-Sources: http://ppa.launchpad.net/snwh/pulp/ubuntu zesty/main amd64 Packages
Description: Paper GTK Theme
 Paper GTK theme.

Most importantly: please attach a screenshot of your issue, a visual bug needs to be seen

Using paper GTK theme logs these warnings:

 Theme parsing error: gtk.css:385:8: not a number
 Theme parsing error: gtk.css:385:17: Using Pango syntax for the font: style property is deprecated; please use CSS syntax
 Theme parsing error: gtk.css:453:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:623:68: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:636:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:648:67: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:660:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:669:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:681:68: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:691:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:704:67: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:715:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:724:70: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:744:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:754:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:775:69: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:819:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:933:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:943:74: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:956:58: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:967:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:976:74: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1019:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1133:71: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1143:73: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1156:58: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1167:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1176:73: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:1295:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2103:58: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2264:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2270:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2277:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2324:67: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2333:69: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2342:69: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2351:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2391:54: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2396:56: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:2909:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:3218:17: The 'icon-shadow' property has been renamed to '-gtk-icon-shadow'
 Theme parsing error: gtk.css:4439:58: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:4463:72: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:4474:74: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:4483:71: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:4492:74: Using one color stop with linear-gradient() is deprecated.
 Theme parsing error: gtk.css:4500:74: Using one color stop with linear-gradient() is deprecated.