.ckeditor5-toolbar-button-divider { background-image: url(../icons/divider.svg); } .ckeditor5-toolbar-button-wrapping { background-image: url(../icons/separator.svg); } .ckeditor5-toolbar-button-undo { background-image: url(../icons/undo.svg); } .ckeditor5-toolbar-button-redo { background-image: url(../icons/redo.svg); } .ckeditor5-toolbar-button-heading { display: flex; align-items: center; justify-content: space-between; width: 100px; color: #000; } .ckeditor5-toolbar-button-heading::before { margin-left: 10px; content: "Heading"; font-size: 14px; } [dir="rtl"] .ckeditor5-toolbar-button-heading::before { margin-right: 10px; margin-left: 0; } .ckeditor5-toolbar-button-heading::after { display: inline-block; width: 7px; height: 7px; margin-right: 10px; content: ""; transform: rotate(135deg); border-width: 2px 2px 0 0; border-style: solid; } [dir="rtl"] .ckeditor5-toolbar-button-heading::after { margin-right: 0; margin-left: 10px; }