diff --git a/src/overlay.js b/src/overlay.js
index a500276..d006f12 100644
--- a/src/overlay.js
+++ b/src/overlay.js
@@ -23,15 +23,14 @@ export class Overlay extends Events {
 
     compile() {
         compile_template(this, `
-          <div class="modal ${this.css}" id="${this.uid}" t-elem="elem">
+          <div class="modal fade ${this.css}" id="${this.uid}" t-elem="elem" data-bs-backdrop="static">
             <div class="modal-dialog">
               <div class="modal-content">
                 <div class="modal-header">
-                  <button class="btn p-0 text-primary text-decoration-underline link-offset-2 close" t-prop="close_btn" t-bind-click="close">
-                    <span aria-hidden="true">&times;</span>
-                    <span class="sr-only">Close</span>
-                  </button>
                   <h5 class="modal-title">${this.title}</h5>
+                  <button class="btn-close close" t-prop="close_btn" t-bind-click="close">
+                    <span class="visually-hidden">Close</span>
+                  </button>
                 </div>
                 <div class="modal-body" t-elem="body">${this.content}</div>
                 <div class="modal-footer" t-elem="footer"></div>
@@ -42,23 +41,19 @@ export class Overlay extends Events {
     }
 
     open() {
-        $('body')
-            .css('padding-right', '13px')
-            .css('overflow-x', 'hidden')
-            .addClass('modal-open');
+        $('body').addClass('modal-open');
         this.container.append(this.elem);
         this.elem.show();
+        this.elem.modal('show');
         this.is_open = true;
         this.trigger('on_open');
     }
 
     close() {
         if ($('.modal:visible').length === 1) {
-            $('body')
-                .css('padding-right', '')
-                .css('overflow-x', 'auto')
-                .removeClass('modal-open');
+            $('body').removeClass('modal-open');
         }
+        this.elem.modal('hide');
         this.elem.remove();
         this.is_open = false;
         this.trigger('on_close');
diff --git a/treibstoff/bundle/treibstoff.bundle.js b/treibstoff/bundle/treibstoff.bundle.js
index eb20455..d77cd58 100644
--- a/treibstoff/bundle/treibstoff.bundle.js
+++ b/treibstoff/bundle/treibstoff.bundle.js
@@ -569,15 +569,14 @@ var ts = (function (exports, $) {
         }
         compile() {
             compile_template(this, `
-          <div class="modal ${this.css}" id="${this.uid}" t-elem="elem">
+          <div class="modal fade ${this.css}" id="${this.uid}" t-elem="elem" data-bs-backdrop="static">
             <div class="modal-dialog">
               <div class="modal-content">
                 <div class="modal-header">
-                  <button class="btn p-0 text-primary text-decoration-underline link-offset-2 close" t-prop="close_btn" t-bind-click="close">
-                    <span aria-hidden="true">&times;</span>
-                    <span class="sr-only">Close</span>
-                  </button>
                   <h5 class="modal-title">${this.title}</h5>
+                  <button class="btn-close close" t-prop="close_btn" t-bind-click="close">
+                    <span class="visually-hidden">Close</span>
+                  </button>
                 </div>
                 <div class="modal-body" t-elem="body">${this.content}</div>
                 <div class="modal-footer" t-elem="footer"></div>
@@ -587,22 +586,18 @@ var ts = (function (exports, $) {
         `);
         }
         open() {
-            $('body')
-                .css('padding-right', '13px')
-                .css('overflow-x', 'hidden')
-                .addClass('modal-open');
+            $('body').addClass('modal-open');
             this.container.append(this.elem);
             this.elem.show();
+            this.elem.modal('show');
             this.is_open = true;
             this.trigger('on_open');
         }
         close() {
             if ($('.modal:visible').length === 1) {
-                $('body')
-                    .css('padding-right', '')
-                    .css('overflow-x', 'auto')
-                    .removeClass('modal-open');
+                $('body').removeClass('modal-open');
             }
+            this.elem.modal('hide');
             this.elem.remove();
             this.is_open = false;
             this.trigger('on_close');
diff --git a/treibstoff/bundle/treibstoff.bundle.min.js b/treibstoff/bundle/treibstoff.bundle.min.js
index 9d9c479..b34aa71 100644
--- a/treibstoff/bundle/treibstoff.bundle.min.js
+++ b/treibstoff/bundle/treibstoff.bundle.min.js
@@ -1 +1 @@
-var ts=function(t,e){"use strict";function s(t,e,s){console.log(`DEPRECATED: ${t} is deprecated and will be removed as of ${s}. Use ${e} instead.`)}function i(t,s,i=!0){let n=e(t,s);if(i&&n.length>1)throw`Element by selector ${t} not unique.`;return n.length?n:null}function n(t,e,s=!0){let n=i(t,e,s);if(null===n)throw`Element by selector ${t} not found.`;return n}function r(t,e){e?t.removeClass("hidden"):t.addClass("hidden")}function a(){return([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,(t=>(t^crypto.getRandomValues(new Uint8Array(1))[0]&15>>t/4).toString(16)))}function o(t,e,s){return void 0===t[e]&&(t[e]=s),t[e]}function l(t,e){return t.charAt(t.length-1)===e&&(t=t.substring(0,t.length-1)),t}function h(t){let e=document.createElement("a");e.href=t;let s=e.pathname;return l(t=e.protocol+"//"+e.host+s,"/")}function c(t,e){let s=document.createElement("a");s.href=t;let i=s.search;if(e)return i||"";let n={};if(i){let t=i.substring(1,i.length).split("&");for(let e=0;e<t.length;e++){let s=t[e].split("=");n[s[0]]=s[1]}}return n}function d(t,e){let s=document.createElement("a");s.href=t;let i=l(s.pathname,"/");return e&&(i+=c(t,!0)),i}const u="http://www.w3.org/2000/svg";function _(t,e){for(let s in e)t.setAttributeNS(null,s,e[s])}function p(t,e,s){let i=document.createElementNS(u,t);return _(i,e),void 0!==s&&s.appendChild(i),i}function m(t,e){var s=p("svg",{});s.innerHTML=t.trim();let i=[],n=s.childNodes;for(let t=0;t<n.length;t++){let r=n[t];i.push(r),s.removeChild(r),void 0!==e&&e.appendChild(r)}return i}class g{constructor(t,e,s){this._inst=t,this._name=e,this._val=null,Object.defineProperty(t,e,{get:this.get.bind(this),set:this.set.bind(this),enumerable:!0}),void 0!==s&&(t[e]=s)}get(){return this._val}set(t){let e=t!==this._val;this._val=t,e&&this.trigger(`on_${this._name}`,t)}trigger(t,e){let s=this._inst;s.trigger&&s.trigger(t,e)}}class f extends g{constructor(t,e,s){super(t,e),this._ctxa="elem",s?(this._ctxa=void 0!==s.ctxa?s.ctxa:this._ctxa,this._ctx=void 0!==s.ctx?s.ctx:t[this._ctxa],this._tgt=void 0!==s.tgt?s.tgt:e):(this._ctx=t[this._ctxa],this._tgt=e);let i=s?s.val:void 0;void 0!==i&&(t[e]=i)}get name(){return this._name}get val(){return this._val}get ctx(){return this._ctx||(this._ctx=this._inst[this._ctxa]),this._ctx}get tgt(){return this._tgt}}class v extends f{set(t){e(this.ctx).css(this.tgt,t),super.set(t)}}class x extends f{constructor(t,e,s){super(t,e,s),this.extract=s?s.extract:null,this.state_evt=s&&s.state_evt?s.state_evt:"on_prop_state",this.error=!1,this.msg="",this._err_marker={},this.ctx.on("change",this._change.bind(this))}set(t){e(this.ctx).val(t),this._set(t)}_change(t){let s=e(t.currentTarget).val();this._set(s)}_set(t){(t=this._extract(t))!==this._err_marker&&super.set(t),this.extract&&this.trigger(this.state_evt,this)}_extract(t){if(this.extract)try{t=this.extract(t),this.error=!1,this.msg=""}catch(e){t=this._err_marker,this.error=!0,this.msg=e}return t}}class w extends f{constructor(t,e,s){super(t,e,s),this.ctx.on("mousedown",this._down.bind(this)),this.ctx.on("mouseup",this._up.bind(this)),this.ctx.on("click",this._click.bind(this))}set(t){this.ctx.text(t),super.set(t)}_down(t){this.trigger(`on_${this.name}_down`,this)}_up(t){this.trigger(`on_${this.name}_up`,this)}_click(t){this.trigger(`on_${this.name}_click`,this)}}class b{walk(t){let e=t.childNodes;for(let t of e)this.walk(t);t.nodeType===Node.ELEMENT_NODE&&this.parse(t)}parse(t){}node_attrs(t){let e={};for(let s of t.attributes)s&&s.nodeName&&(e[s.nodeName]=s.nodeValue);return e}}class y extends b{constructor(t){super(),this.widget=t,this.handlers={}}parse(t){let e=this.node_attrs(t),s=this.wrap_node(t);this.handle_elem_attr(s,e);let i=t.tagName.toLowerCase(),n=this.handlers[i];n&&n(s,e)}wrap_node(t){return t}handle_elem_attr(t,e){let s=e["t-elem"];s&&(this.widget[s]=t)}}function j(t){if(isNaN(t))throw"Input is not a number";return Number(t)}class k extends y{constructor(t){super(t),this.handlers={input:this.handle_input.bind(this),select:this.handle_select.bind(this),button:this.handle_button.bind(this)},this.extractors={number:j}}wrap_node(t){return e(t)}handle_input(t,e){let s=e["t-prop"];if(!s)return;let i=this.widget,n=this.extractors[e["t-type"]];e["t-extract"]&&(n=i[e["t-extract"]]);let r=e["t-val"];n&&(r=n(r)),new x(i,s,{ctx:t,ctxa:e["t-elem"],val:r,extract:n,state_evt:e["t-state-evt"]})}handle_select(t,e){let s=e["t-options"];if(s)for(let e of JSON.parse(s))t.append(`<option value="${e[0]}">${e[1]}</option>`);this.handle_input(t,e)}handle_button(t,e){let s=e["t-prop"];if(!s)return;let i=this.widget;new w(i,s,{ctx:t,ctxa:e["t-elem"],val:e["t-val"]});for(let t of["down","up","click"])if(e[`t-bind-${t}`]){let n=i[e[`t-bind-${t}`]].bind(i);this.widget.on(`on_${s}_${t}`,n)}}}function C(t,s,i){let n=e(s.trim());i&&i.append(n);let r=new k(t);return n.each((function(){r.walk(this)})),n}class $ extends y{}class A{constructor(){this._subscribers={},this._suppress_events=!1}on(t,e){let s=this._subscribers[t];return void 0===s&&(this._subscribers[t]=s=new Array),this._contains_subscriber(t,e)||s.push(e),this}off(t,e){let s=this._subscribers[t];if(void 0===s)return this;if(!e)return delete this._subscribers[t],this;let i=s.indexOf(e);return i>-1&&(s=s.splice(i,1)),this._subscribers[t]=s,this}trigger(t,...e){if(this._suppress_events)return;this[t]&&this[t](...e);let s=this._subscribers[t];if(!s)return this;for(let t=0;t<s.length;t++)s[t](this,...e);return this}suppress_events(t){this._suppress_events=!0,t(),this._suppress_events=!1}bind_from_options(t,e){for(let s of t)e[s]&&this.on(s,e[s])}_contains_subscriber(t,e){let s=this._subscribers[t];if(!s)return!1;for(let t=0;t<s.length;t++)if(s[t]===e)return!0;return!1}}class E extends A{constructor(t){super(),this.uid=t.uid?t.uid:a(),this.css=t.css?t.css:"",this.title=t.title?t.title:"&nbsp;",this.content=t.content?t.content:"",this.bind_from_options(["on_open","on_close"],t),this.container=t.container?t.container:e("body"),this.compile(),this.elem.data("overlay",this),this.is_open=!1}compile(){C(this,`\n          <div class="modal ${this.css}" id="${this.uid}" t-elem="elem">\n            <div class="modal-dialog">\n              <div class="modal-content">\n                <div class="modal-header">\n                  <button class="btn p-0 text-primary text-decoration-underline link-offset-2 close" t-prop="close_btn" t-bind-click="close">\n                    <span aria-hidden="true">&times;</span>\n                    <span class="sr-only">Close</span>\n                  </button>\n                  <h5 class="modal-title">${this.title}</h5>\n                </div>\n                <div class="modal-body" t-elem="body">${this.content}</div>\n                <div class="modal-footer" t-elem="footer"></div>\n              </div>\n            </div>\n          </div>\n        `)}open(){e("body").css("padding-right","13px").css("overflow-x","hidden").addClass("modal-open"),this.container.append(this.elem),this.elem.show(),this.is_open=!0,this.trigger("on_open")}close(){1===e(".modal:visible").length&&e("body").css("padding-right","").css("overflow-x","auto").removeClass("modal-open"),this.elem.remove(),this.is_open=!1,this.trigger("on_close")}}function S(t){let s=e(`#${t}`);if(!s.length)return null;let i=s.data("overlay");return i||null}class T extends E{constructor(t){t.content=t.message?t.message:t.content,t.css=t.flavor?t.flavor:t.css,super(t),this.compile_actions()}compile_actions(){C(this,'\n          <button class="btn p-0 text-primary text-decoration-underline link-offset-2 close allowMultiSubmit"\n                  t-prop="f_close_btn" t-bind-click="close">Close</button>\n        ',this.footer)}}function O(t){new T({title:t.title,message:t.message,flavor:t.flavor,on_open:function(t){e("button",t.elem).first().focus()}}).open()}function q(t){O({title:"Info",message:t,flavor:"info"})}function N(t){O({title:"Warning",message:t,flavor:"warning"})}function P(t){O({title:"Error",message:t,flavor:"error"})}class L extends T{constructor(t){o(t,"css","dialog"),super(t),this.bind_from_options(["on_confirm"],t)}compile_actions(){C(this,'\n          <button class="ok btn btn-primary allowMultiSubmit"\n                  t-prop="ok_btn">OK</button>\n          <button class="cancel btn btn-outline-primary allowMultiSubmit"\n                  t-prop="cancel_btn" t-bind-click="close">Cancel</button>\n        ',this.footer)}on_ok_btn_click(){this.close(),this.trigger("on_confirm")}}function D(t){new L({title:t.title,message:t.message,on_confirm:t.on_confirm}).open()}class M{constructor(){this._count=0,this.compile()}compile(){C(this,'\n          <div id="t-loading-spinner" t-elem="elem">\n            <img src="/resources/treibstoff/loading-spokes.svg" width="64" height="64" alt="" />\n          </div>\n        ')}show(){this._count++,this._count>1||e("body").append(this.elem)}hide(t){if(this._count--,t)return this._count=0,void this.elem.remove();this._count<=0&&(this._count=0,this.elem.remove())}}const F=new M;class I{constructor(t){this.spinner=o(t,"spinner",null),this.default_403=o(t,"default_403","/login"),this._win=o(t,"win",window)}execute(t){if(-1!==t.url.indexOf("?")){let e=t.params;t.params=c(t.url),t.url=h(t.url);for(let s in e)t.params[s]=e[s]}else o(t,"params",{});o(t,"error",((t,e,s)=>{403!==parseInt(e,10)?P(`<strong>${e}</strong>${s}`):this.redirect(this.default_403)})),this.show_spinner(),e.ajax({url:t.url,dataType:o(t,"type","html"),data:t.params,method:o(t,"method","GET"),success:(e,s,i)=>{this.hide_spinner(),t.success(e,s,i)},error:(e,s,i)=>{0!==e.status?(s=e.status||s,i=e.statusText||i,this.hide_spinner(!0),t.error(e,s,i)):this.hide_spinner(!0)},cache:o(t,"cache",!1)})}redirect(t){const e=this._win.location;e.hash="",e.pathname=t}show_spinner(){null!==this.spinner&&this.spinner.show()}hide_spinner(t){null!==this.spinner&&this.spinner.hide(t)}}function W(t){new I({spinner:o(t,"spinner",F),win:o(t,"win",window),default_403:o(t,"default_403","/login")}).execute(t)}class G extends A{parse_target(t){return{url:t?h(t):void 0,params:t?c(t):{},path:t?d(t):void 0,query:t?c(t,!0):void 0}}parse_definition(t){return t.replace(/\s+/g," ").split(" ")}action_target(t,e){return e.ajaxtarget?e.ajaxtarget:this.parse_target(t.attr("ajax:target"))}}class H extends G{constructor(t){super(),this.event=t.event,this.dispatcher=t.dispatcher,this.dispatcher.on(this.event,this.handle.bind(this))}execute(t){throw"Abstract AjaxOperation does not implement execute"}handle(t,e){throw"Abstract AjaxOperation does not implement handle"}}class R extends H{constructor(t){t.event="on_path",super(t),this.win=t.win,e(this.win).on("popstate",this.state_handle.bind(this))}execute(t){let e=this.win.history;if(void 0===e.pushState)return;let s="/"!==t.path.charAt(0)?`/${t.path}`:t.path;o(t,"target",this.win.location.origin+s),o(t,"replace",!1);let i=t.replace;delete t.path,delete t.replace,t._t_ajax=!0,i?e.replaceState(t,"",s):e.pushState(t,"",s)}state_handle(t){let e,s=t.originalEvent.state;s&&s._t_ajax&&(t.preventDefault(),e=s.target.url?s.target:this.parse_target(s.target),e.params.popstate="1",s.action&&this.dispatcher.trigger("on_action",{target:e,action:s.action}),s.event&&this.dispatcher.trigger("on_event",{target:e,event:s.event}),s.overlay&&this.dispatcher.trigger("on_overlay",{target:e,overlay:s.overlay,css:s.overlay_css,uid:s.overlay_uid,title:s.overlay_title}),s.action||s.event||s.overlay||(this.win.location=e.url))}handle(t,e){let s,i=e.elem,n=e.event,r=i.attr("ajax:path");if("href"===r){r=d(i.attr("href"),!0)}else if("target"===r){let t=this.action_target(i,n);r=t.path+t.query}if(this.has_attr(i,"ajax:path-target")){let t=i.attr("ajax:path-target");t&&(s=this.parse_target(t))}else s=this.action_target(i,n);let a={path:r,target:s};a.action=this.attr_val(i,"ajax:path-action","ajax:action"),a.event=this.attr_val(i,"ajax:path-event","ajax:event"),a.overlay=this.attr_val(i,"ajax:path-overlay","ajax:overlay"),a.overlay&&(a.overlay_css=this.attr_val(i,"ajax:path-overlay-css","ajax:overlay-css"),a.overlay_uid=this.attr_val(i,"ajax:path-overlay-uid","ajax:overlay-uid"),a.overlay_title=this.attr_val(i,"ajax:path-overlay-title","ajax:overlay-title")),this.execute(a)}has_attr(t,e){let s=t.attr(e);return void 0!==s&&!1!==s}attr_val(t,e,s){return this.has_attr(t,e)?t.attr(e):t.attr(s)}}class V extends H{constructor(t){o(t,"event","on_action"),super(t),this.spinner=t.spinner,this._handle=t.handle,this._request=t.request}execute(t){t.success=this.complete.bind(this),this.request(t)}request(t){t.params["ajax.action"]=t.name,t.params["ajax.mode"]=t.mode,t.params["ajax.selector"]=t.selector,this._request.execute({url:h(t.url)+"/ajaxaction",type:"json",params:t.params,success:t.success})}complete(t){t?(this._handle.update(t),this._handle.next(t.continuation)):(P("Empty Response"),this.spinner.hide())}handle(t,e){let s=e.target,i=e.action;for(let t of this.parse_definition(i)){let e=t.split(":");this.execute({name:e[0],selector:e[1],mode:e[2],url:s.url,params:s.params})}}}class B extends H{constructor(t){t.event="on_event",super(t)}execute(t){let s=this.create_event.bind(this);e(t.selector).each((function(){e(this).trigger(s(t.name,t.target,t.data))}))}create_event(t,s,i){let n=e.Event(t);return s.url?n.ajaxtarget=s:n.ajaxtarget=this.parse_target(s),n.ajaxdata=i,n}handle(t,e){let s=e.target,i=e.event;for(let t of this.parse_definition(i)){let e=t.split(":");this.execute({name:e[0],selector:e[1],target:s})}}}class z extends V{constructor(t){t.event="on_overlay",super(t),this.overlay_content_sel=".modal-body"}execute(t){let e,s,i;if(t.close)return e=S(t.uid),e&&e.close(),e;if(t.target){let e=t.target;e.url||(e=this.parse_target(e)),s=e.url,i=e.params}else s=t.url,i=t.params;let n=t.uid?t.uid:a();return i["ajax.overlay-uid"]=n,e=new E({uid:n,css:t.css,title:t.title,on_close:t.on_close}),this.request({name:t.action,selector:`#${n} ${this.overlay_content_sel}`,mode:"inner",url:s,params:i,success:function(t){t.payload?(e.open(),this.complete(t)):this.complete(t)}.bind(this)}),e}handle(t,e){let s=e.target,i=e.overlay;i.indexOf("CLOSE")>-1?this.execute({close:!0,uid:i.indexOf(":")>-1?i.split(":")[1]:e.uid}):this.execute({action:i,url:s.url,params:s.params,css:e.css,uid:e.uid,title:e.title})}}class 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e=t.elem,s=t.event;e.attr("ajax:action")&&this.trigger("on_action",{target:this.action_target(e,s),action:e.attr("ajax:action")}),e.attr("ajax:event")&&this.trigger("on_event",{target:e.attr("ajax:target"),event:e.attr("ajax:event")}),e.attr("ajax:overlay")&&this.trigger("on_overlay",{target:this.action_target(e,s),overlay:e.attr("ajax:overlay"),css:e.attr("ajax:overlay-css"),uid:e.attr("ajax:overlay-uid"),title:e.attr("ajax:overlay-title")}),e.attr("ajax:path")&&this.trigger("on_path",{elem:e,event:s})}}class K extends b{parse(t){let e=t._ajax_attached;if(void 0!==e)for(let t of e)void 0!==t.destroy&&t.destroy()}}class X extends G{constructor(t){super(),this.ajax=t,this.spinner=t.spinner}destroy(t){let e=new K;t.each((function(){e.walk(this)}))}update(t){let s,i=t.payload,n=t.selector,r=t.mode;if("replace"===r){let 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A{constructor(t){super(),this.uid=t.uid?t.uid:a(),this.css=t.css?t.css:"",this.title=t.title?t.title:"&nbsp;",this.content=t.content?t.content:"",this.bind_from_options(["on_open","on_close"],t),this.container=t.container?t.container:e("body"),this.compile(),this.elem.data("overlay",this),this.is_open=!1}compile(){C(this,`\n          <div class="modal fade ${this.css}" id="${this.uid}" t-elem="elem" data-bs-backdrop="static">\n            <div class="modal-dialog">\n              <div class="modal-content">\n                <div class="modal-header">\n                  <h5 class="modal-title">${this.title}</h5>\n                  <button class="btn-close close" t-prop="close_btn" t-bind-click="close">\n                    <span class="visually-hidden">Close</span>\n                  </button>\n                </div>\n                <div class="modal-body" t-elem="body">${this.content}</div>\n                <div class="modal-footer" t-elem="footer"></div>\n              </div>\n       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J{constructor(t){this.handle=t.handle,this.spinner=t.spinner,this.afr=null}bind(t){this.afr||C(this,'\n              <iframe t-elem="afr" id="ajaxformresponse"\n                      name="ajaxformresponse" src="about:blank"\n                      style="width:0px;height:0px;display:none">\n              </iframe>\n            ',e("body")),e(t).append('<input type="hidden" name="ajax" value="1" />').attr("target","ajaxformresponse").off().on("submit",function(t){this.spinner.show()}.bind(this))}render(t){this.spinner.hide(),t.error||(this.afr.remove(),this.afr=null),t.payload&&this.handle.update(t),this.handle.next(t.next)}}class U extends G{bind(t,s){e(t).off(s).on(s,this.dispatch_handle.bind(this))}dispatch_handle(t){t.preventDefault(),t.stopPropagation();let s=e(t.currentTarget),i={elem:s,event:t};s.attr("ajax:confirm")?D({message:s.attr("ajax:confirm"),on_confirm:function(t){this.dispatch(i)}.bind(this)}):this.dispatch(i)}dispatch(t){let 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set motion scope while handling";this.reset_state(),this._down_handle&&e(this._down_scope).off("mousedown",this._down_handle),this._down_handle=this._mousedown.bind(this),this._down_scope=t,e(t).on("mousedown",this._down_handle),this._move_scope=s||null}_mousedown(t){t.stopPropagation(),this._motion=!1,this._prev_pos={x:t.pageX,y:t.pageY},this._move_scope&&(this._move_handle=this._mousemove.bind(this),e(this._move_scope).on("mousemove",this._move_handle)),this._up_handle=this._mouseup.bind(this),e(document).on("mouseup",this._up_handle),this.trigger("down",t)}_mousemove(t){t.stopPropagation(),this._motion=!0,t.motion=this._motion,t.prev_pos=this._prev_pos,this.trigger("move",t),this._prev_pos.x=t.pageX,this._prev_pos.y=t.pageY}_mouseup(t){t.stopPropagation(),this._move_scope&&e(this._move_scope).off("mousemove",this._move_handle),e(document).off("mouseup",this._up_handle),t.motion=this._motion,this.trigger("up",t),this.reset_state()}}class ct extends ht{constructor(t){super(),this.children=[],new g(this,"parent"),this.parent=t.parent||null}add_widget(t){t.parent=this,this.children.push(t)}remove_widget(t){t.parent=null,this.children.splice(this.children.indexOf(t),1)}acquire(t){let e=this.parent;for(;e&&e&&!(e instanceof t);)e=e.parent;return e}}class dt extends ct{constructor(t){super(t),this.elem=t.elem,new v(this,"x",{tgt:"left"}),new v(this,"y",{tgt:"top"}),new v(this,"width"),new v(this,"height")}get offset(){return e(this.elem).offset()}}class ut extends A{constructor(t){if(!t.elem)throw"No element given";super(),this.elem=t.elem}get visible(){return!this.elem.hasClass("hidden")}set visible(t){let e=t!==!this.elem.hasClass("hidden");r(this.elem,t),e&&this.trigger("on_visible",t)}get hidden(){return!this.visible}set hidden(t){this.visible=!t}}function _t(t,e){if(t.elem)return t.elem;let s=t.form,i=t.name;return n(`${e}-${s.name}-${i}`,s.elem,!0)}class pt extends 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f{set(t){this.ctx.attr(this.tgt,t),super.set(t)}},t.BoundProperty=f,t.Button=class extends at{constructor(t){super(t),this.unselected_class="btn-primary",this.selected_class="btn-success"}get selected(){return this.elem.hasClass(this.selected_class)}set selected(t){t?this.elem.removeClass(this.unselected_class).addClass(this.selected_class):this.elem.removeClass(this.selected_class).addClass(this.unselected_class)}},t.ButtonProperty=w,t.CSSProperty=v,t.ChangeListener=ot,t.ClickListener=at,t.Clock=it,t.ClockFrameEvent=tt,t.ClockIntervalEvent=st,t.ClockTimeoutEvent=et,t.Collapsible=class{constructor(t){if(!t.elem)throw"No element given";this.elem=t.elem}get collapsed(){return!this.elem.hasClass("in")}set collapsed(t){t?this.elem.collapse("hide"):this.elem.collapse("show")}},t.DataProperty=class extends f{constructor(t,e,s){s?s.ctx=void 0!==s.ctx?s.ctx:t.data:s={ctx:t.data},s.ctxa="data",super(t,e,s)}set(t){this.ctx[this.tgt]=t,super.set(t)}},t.Dialog=L,t.Events=A,t.Form=class{static initialize(t,e,s){let n=i(`#form-${s}`,t,!0);if(!n)return;let r=new e({name:s,elem:n});n.data(s,r)}static instance(t){return e(`#form-${t}`).data(t)}constructor(t){this.name=t.name,this.elem=t.elem}set_field_visibility(t,e){for(let s of t)s.visible=e}},t.FormCheckbox=gt,t.FormField=class extends ut{constructor(t){t.elem=_t(t,"#field"),super(t),this.form=t.form,this.name=t.name;let e=t.input;!e||e instanceof pt||(e=new e({form:this.form,name:this.name})),this.input=e}get has_error(){return this.elem.hasClass("has-error")}set has_error(t){let e=this.elem;t?e.addClass("has-error"):e.removeClass("has-error")}reset(t=""){this.input.value=t,this.has_error=!1,e(".help-block",this.elem).remove()}},t.FormInput=pt,t.FormRemoteSelect=class extends mt{constructor(t){super(t),this.vocab=t.vocab}fetch(t){W({type:"json",url:this.vocab,params:t,success:function(t,e,s){this.options=t}.bind(this)})}},t.FormSelect=mt,t.HTMLParser=k,t.HTMLWidget=dt,t.HTTPRequest=I,t.InputProperty=x,t.KeyState=class extends A{constructor(t){super(),this.filter_keyevent=t,this._keys=[],this._add_key("ctrl",17),this._add_key("shift",16),this._add_key("alt",18),this._add_key("enter",13),this._add_key("esc",27),this._add_key("delete",46),this.bind()}unload(){e(window).off("keydown",this._on_dom_keydown).off("keyup",this._on_dom_keyup)}bind(){this._on_dom_keydown=this._on_dom_keydown.bind(this),this._on_dom_keyup=this._on_dom_keyup.bind(this),e(window).on("keydown",this._on_dom_keydown).on("keyup",this._on_dom_keyup)}_add_key(t,e){this._keys.push(t),this[`_${t}`]=!1,Object.defineProperty(this,t,{get:function(){return this[`_${t}`]},set:function(s){let i=this[`_${t}`];"keydown"==s.type?i||s.keyCode!=e||(this[`_${t}`]=!0):i&&s.keyCode==e&&(this[`_${t}`]=!1)}})}_set_keys(t){for(let e of this._keys)this[e]=t}_filter_event(t){return this.filter_keyevent&&this.filter_keyevent(t)}_on_dom_keydown(t){this._set_keys(t),this._filter_event(t)||this.trigger("keydown",t)}_on_dom_keyup(t){this._set_keys(t),this._filter_event(t)||this.trigger("keyup",t)}},t.LoadingSpinner=M,t.Message=T,t.Motion=ht,t.Overlay=E,t.Parser=b,t.Property=g,t.SVGContext=class extends dt{constructor(t){let e=t.parent.elem.get(0);t.elem=p("svg",{class:t.name},e),super(t),this.svg_ns=u,this.xyz={x:0,y:0,z:1}}svg_attrs(t,e){_(t,e)}svg_elem(t,e,s){return p(t,e,s)}},t.SVGParser=$,t.SVGProperty=class extends f{set(t){let e={};e[this._name]=t,_(this.ctx,e),super.set(t)}},t.TemplateParser=y,t.TextProperty=class extends f{set(t){this.ctx.text(t),super.set(t)}},t.Visibility=ut,t.WS_STATE_CLOSED=3,t.WS_STATE_CLOSING=2,t.WS_STATE_CONNECTING=0,t.WS_STATE_OPEN=1,t.Websocket=class extends A{constructor(t,e=WebSocket){super(),this._ws_factory=e,this.path=t,this.on_open=this.on_open.bind(this),this.on_close=this.on_close.bind(this),this.on_error=this.on_error.bind(this),this.on_message=this.on_message.bind(this),this.on_raw_message=this.on_raw_message.bind(this),this.sock=null}get uri(){let t;return t="http:"==window.location.protocol?"ws://":"wss://",t+window.location.hostname+this.path}get state(){return this.sock.readyState}open(){null!==this.sock&&this.sock.close();let t=this.sock=new this._ws_factory(this.uri);t.onopen=function(){this.trigger("on_open")}.bind(this),t.onclose=function(t){this.trigger("on_close",t)}.bind(this),t.onerror=function(){this.trigger("on_error")}.bind(this),t.onmessage=function(t){this.trigger("on_raw_message",t)}.bind(this)}send(t){this.sock.send(t)}send_json(t){this.sock.send(JSON.stringify(t))}close(){null!==this.sock&&(this.sock.close(),this.sock=null)}on_open(){}on_close(t){}on_error(){}on_message(t){}on_raw_message(t){let e=JSON.parse(t.data);void 0===e.HEARTBEAT&&this.trigger("on_message",e)}},t.Widget=ct,t.ajax=Z,t.changeListener=lt,t.clickListener=t=>rt("click",t),t.clock=nt,t.compile_svg=function(t,e,s){let i=m(e,s),n=new $(t);return i.forEach((function(t,e){n.walk(t)})),i},t.compile_template=C,t.create_cookie=function(t,e,s){var i,n;s?((i=new Date).setTime(i.getTime()+24*s*60*60*1e3),n="; expires="+i.toGMTString()):n="",document.cookie=t+"="+escape(e)+n+"; path=/;"},t.create_listener=rt,t.create_svg_elem=p,t.deprecate=s,t.extract_number=j,t.get_elem=n,t.get_overlay=S,t.http_request=W,t.json_merge=function(t,e){let s={};for(let i of[t,e])for(let t in i)s[t]=i[t];return s},t.load_svg=function(t,s){e.get(t,function(t){let i=e(t).find("svg");i.removeAttr("xmlns:a"),s(i)}.bind(this),"xml")},t.lookup_form_elem=_t,t.object_by_path=function(t){if(!t)return null;let e=window;for(const s of t.split("."))if(e=e[s],void 0===e)throw`Object by path not exists: ${t}`;return e},t.parse_path=d,t.parse_query=c,t.parse_svg=m,t.parse_url=h,t.query_elem=i,t.read_cookie=function(t){var e,s,i=t+"=",n=document.cookie.split(";");for(e=0;e<n.length;e+=1){for(s=n[e];" "===s.charAt(0);)s=s.substring(1,s.length);if(0===s.indexOf(i))return unescape(s.substring(i.length,s.length))}return null},t.set_default=o,t.set_svg_attrs=_,t.set_visible=r,t.show_dialog=D,t.show_error=P,t.show_info=q,t.show_message=O,t.show_warning=N,t.spinner=F,t.svg_ns=u,t.uuid4=a,Object.defineProperty(t,"__esModule",{value:!0}),window.treibstoff=t,window.bdajax=t.ajax,e.fn.bdajax=e.fn.tsajax,t}({},jQuery);
diff --git a/treibstoff/bundle/treibstoff.css b/treibstoff/bundle/treibstoff.css
index e49eb7e..ea8d59f 100644
--- a/treibstoff/bundle/treibstoff.css
+++ b/treibstoff/bundle/treibstoff.css
@@ -7,6 +7,9 @@
     margin-top:-32px;
     margin-left:-32px;
 }
+.modal-footer:empty {
+    display: none;
+}
 .modal-footer button.close {
     background-image:linear-gradient(to bottom, #fff 0%, #e0e0e0 100%);
     background-repeat:repeat-x;
@@ -28,27 +31,25 @@
 .modal.warning .modal-body:before,
 .modal.error .modal-body:before,
 .modal.dialog .modal-body:before {
-    top:2px;
-    position:relative;
-    display:inline-block;
-    font-family:'Glyphicons Halflings';
-    font-style:normal;
-    font-weight:400;
-    width:60px;
-    height:60px;
-    font-size:46px;
-    line-height:46px;
-    float:left;
+    font-family: 'bootstrap-icons'!important;
+    font-size: 40px;
+    line-height: 40px;
+    float: left;
+    margin-right: 1rem;
 }
 .modal.info .modal-body:before {
-    content:"";
+    content:"\F430";
+    color: var(--bs-cyan);
 }
 .modal.warning .modal-body:before {
-    content:"";
+    content:"\F46C";
+    color: var(--bs-orange);
 }
 .modal.error .modal-body:before {
-    content:"";
+    content:"\F33A";
+    color: var(--bs-red);
 }
 .modal.dialog .modal-body:before {
-    content:"\e085";
+    content:"\F505";
+    color: var(--bs-secondary);
 }