UV config file, from here: <https://github.com/UniversalViewer/universalviewer/blob/v2.0.2/src/extensions/uv-seadragon-extension/config/en-GB.json#L27>

en-GB.json

{
  "options": {
    "allowStealFocus": false,
    "bookmarkThumbHeight": 150,
    "bookmarkThumbWidth": 90,
    "dropEnabled": true,
    "footerPanelEnabled": true,
    "headerPanelEnabled": true,
    "leftPanelEnabled": true,
    "limitLocales": false,
    "metrics": [
      {
        "type": "mobilelandscape",
        "minWidth": 0, 
        "maxWidth": 640
      },
      {
        "type": "laptop",
        "minWidth": 640,
        "maxWidth": 100000
      }
    ],
    "multiSelectionMimeType": "application/zip",
    "navigatorEnabled": true,
    "openTemplate": "http://universalviewer.io?manifest={0}",
    "overrideFullScreen": false,
    "pagingEnabled": true,
    "pagingOptionEnabled": true,
    "pessimisticAccessControl": false,
    "preserveViewport": false,
    "rightPanelEnabled": true,
    "saveUserSettings": false,
    "clickToZoomEnabled": true,
    "searchWithinEnabled": true,
    "termsOfUseEnabled": false,
    "theme": "uv-en-GB-theme",
    "tokenStorage": "session",
    "useArrowKeysToNavigate": false,
    "zoomToSearchResultEnabled": true
  },
  "modules": {
    "contentLeftPanel": {
      "options": {
        "defaultToTreeEnabled": false,
        "defaultToTreeIfGreaterThan": 0,
        "elideCount": 40,
        "expandFullEnabled": true,
        "galleryThumbChunkedResizingThreshold": 400,
        "galleryThumbHeight": 320,
        "galleryThumbLoadPadding": 3,
        "galleryThumbWidth": 200,
        "oneColThumbHeight": 320,
        "oneColThumbWidth": 200,
        "pageModeEnabled": true,
        "panelAnimationDuration": 250,
        "panelCollapsedWidth": 30,
        "panelExpandedWidth": 255,
        "panelOpen": true,
        "tabOrder": "",
        "thumbsEnabled": true,
        "thumbsExtraHeight": 8,
        "thumbsImageFadeInDuration": 300,
        "thumbsLoadRange": 15,
        "treeEnabled": true,
        "twoColThumbHeight": 150,
        "twoColThumbWidth": 90
      }
    },
    "dialogue": {
    },
    "downloadDialogue": {
      "options": {
        "confinedImageSize": 1000,
        "currentViewDisabledPercentage": 90,
        "maxImageWidth": 5000,
        "optionsExplanatoryTextEnabled": false,
        "selectionEnabled": false
      }
    },
    "footerPanel": {
      "options":{
        "bookmarkEnabled": false,
        "downloadEnabled": true,
        "embedEnabled": false,
        "feedbackEnabled": false,
        "fullscreenEnabled": true,
        "minimiseButtons": true,
        "moreInfoEnabled": true,
        "openEnabled": false,
        "printEnabled": false,
        "shareEnabled": true
      }
    },
    "genericDialogue": {
    },
    "headerPanel": {
      "options": {
        "localeToggleEnabled": false,
        "settingsButtonEnabled": true
      }
    },
    "helpDialogue": {
    },
    "moreInfoRightPanel": {
      "options": {
        "canvasDisplayOrder": "",
        "canvasExclude": "",
        "copyToClipboardEnabled": false,
        "manifestDisplayOrder": "",
        "manifestExclude": "",
        "panelAnimationDuration": 250,
        "panelCollapsedWidth": 30,
        "panelExpandedWidth": 255,
        "panelOpen": false,
        "rtlLanguageCodes": "ar, ara, dv, div, he, heb, ur, urd",
        "showAllLanguages": false,
        "textLimit": 4,
        "textLimitType": "lines"
      }
    },
    "multiSelectDialogue": {
      "options": {
        "galleryThumbChunkedResizingEnabled": true,
        "galleryThumbChunkedResizingThreshold": 400,
        "galleryThumbHeight": 320,
        "galleryThumbLoadPadding": 3,
        "galleryThumbWidth": 200,
        "pageModeEnabled": true
      }
    },
    "pagingHeaderPanel": {
      "options": {
        "autoCompleteBoxEnabled": true,
        "galleryButtonEnabled": true,
        "imageSelectionBoxEnabled": false,
        "pageModeEnabled": false,
        "pagingToggleEnabled": true
      }
    },
    "seadragonCenterPanel": {
      "options": {
        "animationTime": 0.15,
        "autoHideControls": true,
        "attributionEnabled": true,
        "blendTime": 0,
        "constrainDuringPan": false,
        "controlsFadeAfterInactive": 1500,
        "controlsFadeDelay": 250,
        "controlsFadeLength": 250,
        "defaultZoomLevel": 0,
        "immediateRender": false,
        "maxZoomPixelRatio": 1.25,
        "navigatorPosition": "BOTTOM_RIGHT",
        "pageGap": 50,
        "showHomeControl": false,
        "trimAttributionCount": 150,
        "visibilityRatio": 0.5
      }
    },
    "searchFooterPanel": {
      "options": {
        "elideDetailsTermsCount": 20,
        "elideResultsTermsCount": 10,
        "pageModeEnabled": true,
        "positionMarkerEnabled": true
      }
    },
    "settingsDialogue": {
    },
    "shareDialogue": {
      "options": {
        "embedTemplate": "<div class=\"uv\" data-locale=\"{0}\" data-config=\"{1}\" data-uri=\"{2}\" data-collectionindex=\"{3}\" data-manifestindex=\"{4}\" data-sequenceindex=\"{5}\" data-canvasindex=\"{6}\" data-xywh=\"{7}\" data-rotation=\"{8}\" style=\"width:{9}px; height:{10}px; background-color: #000\"></div>\n<script type=\"text/javascript\" id=\"embedUV\" src=\"{11}\"></script><script type=\"text/javascript\">/* wordpress fix */</script>",
        "instructionsEnabled": false,
        "shareFrameEnabled": true
      }
    }
  }
}