.ic{
    filter: grayscale(100%) brightness(0.8) !important;
    background-size: 16px;
    background-position: center;
    background-repeat: no-repeat;
}
.ic-add{background-image: url('../images/icons/plus.png') !important;}
.ic-edit{background-image: url('../images/icons/edit.png') !important;}
.ic-delete{background-image: url('../images/icons/x.png') !important;}
.ic-menu-bar{background-image: url('../images/icons/menu-bar.png') !important;}
.ic-folder{background-image: url('../images/icons/folder.png') !important;}
.ic-file{background-image: url('../images/icons/file.png') !important;}
.ic-excel{background-image: url('../images/icons/excel.png') !important;}
.ic-pdf{background-image: url('../images/icons/pdf.png') !important;}