/* Firefox57（Quantum）ブックマークフォルダの色を黄色に戻す */
@-moz-document url(chrome://browser/content/places/bookmarksSidebar.xul),
url(chrome://browser/content/places/historySidebar.xul),
url(chrome://browser/content/browser.xul),
url(chrome://browser/content/places/places.xul) {
treechildren::-moz-tree-image(title, container),
treechildren::-moz-tree-image(title, open),
.bookmark-item[container] {
list-style-image: url("folder-item.png")!important;
-moz-image-region: rect(0px, 32px, 16px, 16px)!important
}
}
/* 「履歴とブックマークの管理」も黄色に戻す */
@-moz-document url(chrome://browser/content/bookmarks/bookmarksPanel.xul),
url(chrome://browser/content/places/historySidebar.xul),
url(chrome://browser/content/browser.xul),
url(chrome://browser/content/places/places.xul) {
treechildren::-moz-tree-image(title, container),
treechildren::-moz-tree-image(title, open),
.bookmark-item[container] {
list-style-image: url("folder-item.png")!important;
-moz-image-region: rect(0px, 32px, 16px, 16px)!important
}
}