.theme-custom-field-summary .theme-custom-field-heading {
  font-size: 0 !important;
  line-height: 0 !important;
}

.theme-custom-field-summary .theme-custom-field-heading::after {
  content: "Technical Documents";
  font-size: 1rem !important;
  line-height: normal !important;
  text-transform: uppercase; /* matches the all-caps styling you're seeing */
}