.viewer-button { display: none; }
.viewBtnWrap {display: none;position: fixed;z-index: 2020;height: 50px;right: 40px;bottom: 40px;opacity: 0.8;background: #585F6B;border-radius: 26px;padding: 5px 0 5px 30px;}
.viewBtnWrap #viewPrev, .viewBtnWrap #viewNext { position: fixed; width: 52px; height: 52px; top: 50%; margin-top: -28px; }
.viewBtnWrap #viewPrev { left: 30px; background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/viewPrev.png); }
.viewBtnWrap #viewNext { right: 30px; background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/viewNext.png); }
.viewBtnWrap #viewPrev.unactive { background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/viewPrevNone.png); }
.viewBtnWrap #viewNext.unactive { right: 30px; background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/viewNextNone.png); }
.viewBtnWrap .viewBtn {float: left;width: 28px;height: 40px;margin-right: 30px;cursor: pointer;}
.viewBtnWrap .viewBtn:hover, .viewBtnWrap #viewNext:hover, .viewBtnWrap #viewPrev:hover { opacity: 0.7; }
.viewBtnWrap #viewNext.unactive:hover, .viewBtnWrap #viewPrev.unactive:hover { opacity: 1; }
.viewBtnWrap .viewSplit { float: left; height: 28px; width: 1px; margin-top: 6px; opacity: 0.5; background: rgba(255, 255, 255, 0.34); }
.viewBtnWrap #viewZoomIn {background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/view_zoomIn.png) center center no-repeat;}
.viewBtnWrap #viewZoomOut {background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/view_zoomOut.png) center center no-repeat;}
.viewBtnWrap #viewFlip {background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/view_flip.png) center center / 28px auto no-repeat;}
.viewBtnWrap #viewDownload {background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/view_download.png) center center / 28px auto no-repeat;}
.viewBtnWrap #viewClose { margin-left: 20px; background: url(/engine2/assets/editor-mirror/ueditor4thirdparty/third-party/viewer/images/view_close.png) center center no-repeat; }