touch /root/.gtkrc-2.0
cat > /root/.gtkrc-2.0 << "EOF"
style "xfdesktop-icon-view" {
XfdesktopIconView::label-alpha = 10
base[NORMAL] = "#000000"
base[SELECTED] = "#71B9FF"
base[ACTIVE] = "#71FFAD"
fg[NORMAL] = "#ffffff"
fg[SELECTED] = "#71B9FF"
fg[ACTIVE] = "#71FFAD" }
widget_class "*XfdesktopIconView*" style "xfdesktop-icon-view"
EOF