Forenicons durch Grafiken ersetzen

$board-icons: (
    1:	"/pfad/zum/bild.svg",
    2:	"/pfad/zum/bild.png",
    3:	"/pfad/zum/bild.jpg",
);

@mixin board-icon($icon) {
    .wbbBoardNode__defaultIcon,
    .wbbBoardNode__unreadIcon {
        fa-icon {
            display: none;
        }

        &::after {
            content: "";
            display: block;
            width: 32px;
            height: 32px;
            background-image: url("#{$icon}");
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            margin-right: 7px;
            margin-top: 5px;
        }
    }
}

@each $board-id, $icon in $board-icons {
    [data-board-id="#{$board-id}"] {
        @include board-icon($icon);
    }
}