Symbole im Werkzeug-Menü werden in TB 153esr nicht mehr richtig angezeigt.

/* Firefox Quantum Symbole für Add-ons-Manager von Endor ************************************************/
/* Angepasst für Thunderbird von bege */
/* https://www.camp-firefox.de/forum/thema/129954-symbole-zu-kontextmen%C3%BCs-mit-javascript-und-css-hinzuf%C3%BCgen/?postID=1137566#post1137566/
/****************************************************************************************/


/* @-moz-document url-prefix(chrome://mozapps/content/extensions/extensions.xul), url-prefix(about:addons),url-prefix(chrome://mozapps/content/extensions/aboutaddons.html) { */


#page-options > panel-list:nth-child(1) > panel-item:nth-child(1)::before, #utils-updateNow::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild5.png");
margin-left: 12px;
margin-right: -28px;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(2)::before, #utils-viewUpdates::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild61.png");
margin-left:12px;
margin-right: -28px;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(4)::before, #utils-installFromFile::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild3.png");
margin-left: 12px;
margin-right: -28px;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(5)::before, #utils-debugAddons::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild66.png");
margin-left: 12px;
margin-right: -28px;}


#page-options > panel-list:nth-child(1) > panel-item:nth-child(7), #utils-autoUpdateDefault {
fill: transparent !important;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(7)::before, #utils-autoUpdateDefault::before {
content: '';
display: block;
width: 16px;
height: 16px;
background: url("..//icons/check.png") no-repeat !important;
margin-left: 12px;
margin-right: -28px !important;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(7):not([checked])::before, #utils-autoUpdateDefault[checked="false"]::before {
content: '';
/* content: 'Nicht die';
font-size: 14px;
padding-left: 22px !important;
padding-right: 35px !important;
padding-top: 1px !important;
padding-bottom: 6px !important;
 */
display: block;
width: 16px;
height: 16px;
background: url("..//icons/Bild62.png") no-repeat !important;
margin-left: 12px;
margin-right: -28px;}


#page-options > panel-list:nth-child(1) > panel-item:nth-child(8)::before, #utils-resetAddonUpdatesToAutomatic::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild64.png");
margin-left: 12px;
margin-right: -28px;}

#page-options > panel-list:nth-child(1) > panel-item:nth-child(10)::before, #manage-shortcuts::before {
content: '';
display: block;
width: 16px;
height: 16px;
background-image: url("..//icons/Bild67.png");
margin-left: 12px;
margin-right: -28px;}