forgeplus-react/src/forge/Newfile/editor.css

.monaco-editor .view-overlays .current-line{
  border: none !important;
  background-color: rgba(48,232,132,0.15);
}
.monaco-editor .margin-view-overlays .current-line{
  background-color: rgba(48,232,132,0.15);
}
.branchTable .margin-view-overlays{border-right: none !important; background-color: #fcfcfc !important;}