Błąd Brak ikonek tematów - folders_sprite

wersja skryptu MyBB: 1.8.2
adres forum: www.dreamskill.pl
na czym polega problem (screen, opis, komunikaty, nazwa stylu/theme/szablonu): Nie mogę za nic dodać ikonek do tematów, skopiowałem nawet podstawowe CSS thread_status.css do mojego stylu ale dalej nic ..
http://scr.hu/58qt/mc38j

thread_status.css uzywanego szablonu

.thread_status {
    display: inline-block;
      width: 16px;
    height: 16px;
    background-repeat: no-repeat;
}

.thread_status.dot_folder {
    position:relative;
}

.thread_status.dot_folder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 0;
    content: "\f114";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_hotfolder {
    position:relative;
}

.thread_status.dot_hotfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -20px;
    content: "\f07b";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_hotlockfolder {
    position:relative;
}

.thread_status.dot_hotlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -40px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_lockfolder {
    position:relative;
}

.thread_status.dot_lockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -60px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_newfolder {
    position:relative;
}

.thread_status.dot_newfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -80px;
    content: "\f14a";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_newhotfolder {
    position:relative;
}

.thread_status.dot_newhotfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -100px;
    content: "\f08a";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_newhotlockfolder {
    position:relative;
}

.thread_status.dot_newhotlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -120px;
    content: "\f08a";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.dot_newlockfolder {
    position:relative;
}

.thread_status.dot_newlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -140px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.folder {
    position:relative;
}

.thread_status.folder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -160px;
    content: "\f115";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.hotfolder {
    position:relative;
}

.thread_status.hotfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -180px;
    content: "\f08a";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.hotlockfolder {
    position:relative;
}

.thread_status.hotlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -200px;
    content: "\f004";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.lockfolder {
    position:relative;
}

.thread_status.lockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -220px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.movefolder {
    position:relative;
}

.thread_status.movefolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -240px;
    content: "\f079";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.newfolder {
    position:relative;
}

.thread_status.newfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -260px;
    content: "\f07c";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.newhotfolder {
    position:relative;
}

.thread_status.newhotfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -280px;
    content: "\f004";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.newhotlockfolder {
    position:relative;
}

.thread_status.newhotlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -300px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

.thread_status.newlockfolder {
    position:relative;
}

.thread_status.newlockfolder:before {
    color: #4A4A4A;
    position: absolute;
    background-position: 0 -320px;
    content: "\f023";
    text-shadow: 1px 1px 0px #fff;
    font-family: FontAwesome;
    font-size: 16px;
}

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