.e-richtexteditor.e-rte-tb-expand {
  border: none !important;
}

.e-toolbar-wrapper {
  border: 1px solid rgba(0, 0, 0, 0.12) !important;
}


.e-richtexteditor.e-rte-tb-expand .e-rte-content,
.e-richtexteditor.e-rte-tb-expand .e-source-content {
  border-bottom: none !important;
}