#customFile .custom-file-control:lang(en)::after {                                  content: "Attach file (png, jpg, pdf, docx, xlsx, rtf up to 30MB)";                              }                              .custom-file-control.selected:lang(en)::after {                                  content: "" !important;                              }                              #customFile .custom-file-control:lang(cs)::after {                                  content: "Příložte soubor (png, jpg, pdf, docx, xlsx, rtf do 30mb)";                              }                              .custom-file-control.selected:lang(cs)::after {                                  content: "" !important;                              }                              .custom-file {                                  overflow: hidden;                                  width: 100%;                              }                              .custom-file-control {                                  white-space: nowrap;                              }