[gnome-software] style: make license buttons buttons

[Jakub Steiner <jimmac src gnome org>]

commit 73a631a075223dc79a1659a3dd4acc54b139cbd7
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Jul 10 23:41:49 2017 +0200

    style: make license buttons buttons
    
    - but keep the color code

 src/gtk-style.css |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/gtk-style.css b/src/gtk-style.css
index c259469..36d8574 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -63,7 +63,7 @@
        background-image: none;
        border-image: none;
        border-radius: 4px;
-       border-width: 0px;
+       border-width: 0 0 2px 0;
        padding: 1px 9px;
        box-shadow: none;
        text-shadow: none;
@@ -87,6 +87,7 @@
 .details-license-free:backdrop label {
        color: #ffffff;
        background-color: #4e9a06;
+       border-color: #3e7905;
 }
 
 .details-license-nonfree,
@@ -94,6 +95,7 @@
 .details-license-nonfree:backdrop label {
        color: #ffffff;
        background-color: #ee2222;
+       border-color: #c20f0f;
 }
 
 .details-license-unknown, 
@@ -101,6 +103,7 @@
 .details-license-unknown:backdrop label {
   color: #000000;
        background-color: #dbdbdb;
+       border-color: #d0d0d0;
 }
 
 .kudo-pill {