silverstripe-userforms/css/UserForm_cms.css

/**
 * Styles for cms
 */
.cms .ss-gridfield > div.ss-gridfield-buttonrow-before {
  margin-bottom: 10px;
  overflow: auto;
}
.cms table.ss-gridfield-table .ss-gridfield-item[data-class='EditableFormStep'], .cms table.ss-gridfield-table .ss-gridfield-item[data-class='EditableFormStep']:hover {
  background: #dae2e7;
}
.cms table.ss-gridfield-table .ss-gridfield-item[data-class='EditableFormStep'] label {
  font-weight: bold;
  color: #444;
  font-size: 1.1em;
}
.cms table.ss-gridfield-table .ss-gridfield-item[data-class^='EditableFieldGroup'], .cms table.ss-gridfield-table .ss-gridfield-item[data-class^='EditableFieldGroup']:hover {
  background: #E7EFF4;
}
.cms table.ss-gridfield-table .ss-gridfield-item[data-class^='EditableFieldGroup'] label {
  font-weight: bold;
}
.cms table.ss-gridfield-table .ss-gridfield-item[data-class='EditableFieldGroupEnd'] .col-Title input {
  display: none;
}
.cms table.ss-gridfield-table .ss-gridfield-item.inFieldGroup .col-reorder,
.cms table.ss-gridfield-table .ss-gridfield-item.inFieldGroup .handle {
  background: #E7EFF4;
}