Upgrade front end dependencies

Mostly in order to get rid of deprecated deps, and upgrade vulnerable ones.

  - Upgrade webpack from 3.x to 4.x
  - Moved babel package to main repo
  - Replaced deprecated extract-text-webpack-plugin with extract-text-webpack-plugin
  - Replaced deprecated babel-minify-webpack-plugin with terser-webpack-plugin
  - Replaced deprecated node-sass with (dart) sass package
  - Replaced deprecated sass-lint with stylelint (the rules might be a bit different

Related to #1531: trivy doesn't raise any more issue

1 files changed, 0 insertions, 2 deletions

diff --git a/assets/vintage/css/shaarli.css b/assets/vintage/css/shaarli.css
index 87c440c8..1688dce0 100644
--- a/assets/vintage/css/shaarli.css
+++ b/assets/vintage/css/shaarli.css
@@ -746,8 +746,6 @@ a.bigbutton, #pageheader a.bigbutton {
     text-align: left;
     background-color: transparent;
     background-color: rgba(0, 0, 0, 0.4);
-    /* FF3+, Saf3+, Opera 10.10+, Chrome, IE9 */
-    filter: progid: DXImageTransform.Microsoft.gradient(startColorstr=#66000000, endColorstr=#66000000);
     /* IE6–IE9 */
     text-shadow: 2px 2px 1px #000000;
 }