Foren Icon gegen Bild austauschen?

/* Icons Boards */
.wbbBoardNode__icon {
    .wbbBoardNode__defaultIcon,
    .wbbBoardNode__unreadIcon {
        background-repeat: no-repeat;
        background-position: center center;
        background-size: contain;
        fa-icon {
            visibility: hidden;
        }        
    }
    .wbbBoardNode__defaultIcon {
        background-image: url("#{$style_image_path}custom/boardM.png");
    }
    .wbbBoardNode__unreadIcon {
        background-image: url("#{$style_image_path}custom/boardNewM.png");
    }
}

/* Icons Subboards */
.wbbBoardNode__subBoardIcon {
    .wbbBoardNode__subBoardDefaultIcon,
    .wbbBoardNode__subBoardUnreadIcon {
        background-repeat: no-repeat;
        background-position: center center;
        background-size: contain;
        fa-icon {
            visibility: hidden;
        }        
    }
    .wbbBoardNode__subBoardDefaultIcon{
        background-image: url("#{$style_image_path}custom/boardS.png");
    }
    .wbbBoardNode__subBoardUnreadIcon {
        background-image: url("#{$style_image_path}custom/boardNewS.png");
    }
}