activeadmin-settings.css.scss

#settings_tabs {
  .tabs.table_tools_segmented_control { margin-bottom: 10px; }
  fieldset.inputs {
    padding: 0;
    background: transparent;
    -webkit-border-radius: 0;
    -moz-border-radius: 0;
    border-radius: 0;
    box-shadow: none;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
  }
  ol > li { padding: 0; }
  div.redactor_box {
    margin-left: 0;
    width: 91.5%;
    border: 1px solid lightgray;
  }
}