diff --git a/.prettierrc.json b/.prettierrc.json
index 7acf4f02d..65a69c06b 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,4 +1,6 @@
 {
   "semi": false,
-  "printWidth": 100
+  "printWidth": 100,
+  "plugins": ["prettier-plugin-svelte"],
+  "overrides": [{ "files": "*.svelte", "options": { "parser": "svelte" } }]
 }
diff --git a/UI/Base/SubtleButton.svelte b/UI/Base/SubtleButton.svelte
new file mode 100644
index 000000000..2ec71933e
--- /dev/null
+++ b/UI/Base/SubtleButton.svelte
@@ -0,0 +1,51 @@
+<script lang="ts">
+  import { onMount } from "svelte"
+  import { Store } from "../../Logic/UIEventSource"
+  import BaseUIElement from "../BaseUIElement"
+  import Img from "./Img"
+  import Translations from "../i18n/Translations"
+
+  export let imageUrl: string | BaseUIElement
+  export let message: string | BaseUIElement
+  export let options: { url?: string | Store<string>; newTab?: boolean; imgSize?: string, extraClasses?: string }
+
+  let element: HTMLElement
+  let href = typeof options?.url == "string" ? options.url : ""
+
+  onMount(() => {
+    if (typeof options?.url != "string" && options?.url != undefined) {
+      options.url.addCallbackAndRun((data) => {
+        href = data
+      })
+    }
+
+    let img: BaseUIElement
+    const imgClasses = "block justify-center flex-none mr-4 " + (options?.imgSize ?? "h-11 w-11")
+    if ((imageUrl ?? "") === "") {
+      img = undefined
+    } else if (typeof imageUrl === "string") {
+      img = new Img(imageUrl)?.SetClass(imgClasses)
+    } else {
+      img = imageUrl?.SetClass(imgClasses)
+    }
+    if (img != undefined) element.appendChild(img.ConstructElement())
+
+    let msg = Translations.W(message)?.SetClass("block text-ellipsis no-images flex-shrink")
+    element.appendChild(msg.ConstructElement())
+  })
+</script>
+
+{#if options?.url == undefined}
+  <span bind:this={element} class="{options.extraClasses}"/>
+{:else}
+  <a {href} class="no-underline" bind:this={element} target={options?.newTab ? "_blank" : ""} />
+{/if}
+
+<style lang="scss">
+  span,
+  a {
+    @apply flex p-3 my-2 rounded-lg hover:shadow-xl transition-colors transition-shadow;
+    @apply items-center w-full;
+    @apply bg-subtle text-black hover:bg-unsubtle;
+  }
+</style>
diff --git a/UI/Base/SubtleButton.ts b/UI/Base/SubtleButton.ts
index 0975ca7ce..d84cbf647 100644
--- a/UI/Base/SubtleButton.ts
+++ b/UI/Base/SubtleButton.ts
@@ -1,13 +1,11 @@
-import Translations from "../i18n/Translations"
-import Combine from "./Combine"
 import BaseUIElement from "../BaseUIElement"
-import Link from "./Link"
-import Img from "./Img"
 import { Store, UIEventSource } from "../../Logic/UIEventSource"
 import { UIElement } from "../UIElement"
 import { VariableUiElement } from "./VariableUIElement"
 import Lazy from "./Lazy"
 import Loading from "./Loading"
+import SubtleButtonSvelte from "./SubtleButton.svelte"
+import SvelteUIElement from "./SvelteUIElement"
 
 export class SubtleButton extends UIElement {
     private readonly imageUrl: string | BaseUIElement
@@ -15,7 +13,7 @@ export class SubtleButton extends UIElement {
     private readonly options: {
         url?: string | Store<string>
         newTab?: boolean
-        imgSize?: string
+        imgSize?: string,
         extraClasses?: string
     }
 
@@ -25,9 +23,9 @@ export class SubtleButton extends UIElement {
         options: {
             url?: string | Store<string>
             newTab?: boolean
-            imgSize?: "h-11 w-11" | string
+            imgSize?: "h-11 w-11" | string,
             extraClasses?: string
-        } = undefined
+        } = {}
     ) {
         super()
         this.imageUrl = imageUrl
@@ -36,30 +34,11 @@ export class SubtleButton extends UIElement {
     }
 
     protected InnerRender(): string | BaseUIElement {
-        const classes =
-            "block flex p-3 my-2 bg-subtle rounded-lg hover:shadow-xl hover:bg-unsubtle transition-colors transition-shadow link-no-underline " +
-            (this?.options?.extraClasses ?? "")
-        const message = Translations.W(this.message)?.SetClass(
-            "block text-ellipsis no-images flex-shrink"
-        )
-        let img
-        const imgClasses =
-            "block justify-center flex-none mr-4 " + (this.options?.imgSize ?? "h-11 w-11")
-        if ((this.imageUrl ?? "") === "") {
-            img = undefined
-        } else if (typeof this.imageUrl === "string") {
-            img = new Img(this.imageUrl)?.SetClass(imgClasses)
-        } else {
-            img = this.imageUrl?.SetClass(imgClasses)
-        }
-        const button = new Combine([img, message]).SetClass("flex items-center group w-full")
-
-        if (this.options?.url == undefined) {
-            this.SetClass(classes)
-            return button
-        }
-
-        return new Link(button, this.options.url, this.options.newTab ?? false).SetClass(classes)
+        return new SvelteUIElement(SubtleButtonSvelte, {
+            imageUrl: this?.imageUrl ?? undefined,
+            message: this?.message ?? "",
+            options: this?.options ?? {},
+        })
     }
 
     public OnClickWithLoading(
diff --git a/UI/Base/SvelteUIElement.ts b/UI/Base/SvelteUIElement.ts
new file mode 100644
index 000000000..654acaa0a
--- /dev/null
+++ b/UI/Base/SvelteUIElement.ts
@@ -0,0 +1,21 @@
+import BaseUIElement from "../BaseUIElement"
+
+export default class SvelteUIElement extends BaseUIElement {
+    private readonly _svelteComponent
+    private readonly _props: Record<string, any>
+
+    constructor(svelteElement, props: Record<string, any>) {
+        super()
+        this._svelteComponent = svelteElement
+        this._props = props
+    }
+
+    protected InnerConstructElement(): HTMLElement {
+        const el = document.createElement("div")
+        new this._svelteComponent({
+            target: el,
+            props: this._props,
+        })
+        return el
+    }
+}
diff --git a/package-lock.json b/package-lock.json
index ce62f9757..35cd58c8d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -54,6 +54,8 @@
         "@babel/preset-env": "7.13.8",
         "@parcel/service-worker": "^2.6.0",
         "@rollup/plugin-json": "^6.0.0",
+        "@sveltejs/vite-plugin-svelte": "^2.0.2",
+        "@tsconfig/svelte": "^3.0.0",
         "@types/chai": "^4.3.0",
         "@types/geojson": "^7946.0.10",
         "@types/leaflet-markercluster": "^1.0.3",
@@ -71,10 +73,15 @@
         "fs": "0.0.1-security",
         "mocha": "^9.2.2",
         "prettier": "2.7.1",
+        "prettier-plugin-svelte": "^2.9.0",
         "read-file": "^0.2.0",
+        "sass": "^1.57.1",
         "sharp": "^0.30.5",
+        "svelte": "^3.55.1",
+        "svelte-check": "^3.0.2",
         "ts-node": "^10.9.1",
         "ts2json-schema": "^1.4.0",
+        "tslib": "^2.4.1",
         "tslint": "^6.1.3",
         "tslint-no-circular-imports": "^0.7.0",
         "typescript": "^4.7.4",
@@ -1596,246 +1603,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
-    "node_modules/@esbuild/android-arm": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.16.17.tgz",
-      "integrity": "sha512-N9x1CMXVhtWEAMS7pNNONyA14f71VPQN9Cnavj1XQh6T7bskqiLLrSca4O0Vr8Wdcga943eThxnVp3JLnBMYtw==",
-      "cpu": [
-        "arm"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/android-arm64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.16.17.tgz",
-      "integrity": "sha512-MIGl6p5sc3RDTLLkYL1MyL8BMRN4tLMRCn+yRJJmEDvYZ2M7tmAf80hx1kbNEUX2KJ50RRtxZ4JHLvCfuB6kBg==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/android-x64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.16.17.tgz",
-      "integrity": "sha512-a3kTv3m0Ghh4z1DaFEuEDfz3OLONKuFvI4Xqczqx4BqLyuFaFkuaG4j2MtA6fuWEFeC5x9IvqnX7drmRq/fyAQ==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/darwin-arm64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.16.17.tgz",
-      "integrity": "sha512-/2agbUEfmxWHi9ARTX6OQ/KgXnOWfsNlTeLcoV7HSuSTv63E4DqtAc+2XqGw1KHxKMHGZgbVCZge7HXWX9Vn+w==",
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-      "os": [
-        "freebsd"
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-      }
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-      "resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.16.17.tgz",
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-        "mips64el"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-ppc64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.16.17.tgz",
-      "integrity": "sha512-dzS678gYD1lJsW73zrFhDApLVdM3cUF2MvAa1D8K8KtcSKdLBPP4zZSLy6LFZ0jYqQdQ29bjAHJDgz0rVbLB3g==",
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-        "ppc64"
-      ],
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-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
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-    "node_modules/@esbuild/linux-riscv64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.16.17.tgz",
-      "integrity": "sha512-ylNlVsxuFjZK8DQtNUwiMskh6nT0vI7kYl/4fZgV1llP5d6+HIeL/vmmm3jpuoo8+NuXjQVZxmKuhDApK0/cKw==",
-      "cpu": [
-        "riscv64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-s390x": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-s390x/-/linux-s390x-0.16.17.tgz",
-      "integrity": "sha512-gzy7nUTO4UA4oZ2wAMXPNBGTzZFP7mss3aKR2hH+/4UUkCOyqmjXiKpzGrY2TlEUhbbejzXVKKGazYcQTZWA/w==",
-      "cpu": [
-        "s390x"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/@esbuild/linux-x64": {
       "version": "0.16.17",
       "resolved": "https://registry.npmjs.org/@esbuild/linux-x64/-/linux-x64-0.16.17.tgz",
@@ -1852,102 +1619,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/@esbuild/netbsd-x64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/netbsd-x64/-/netbsd-x64-0.16.17.tgz",
-      "integrity": "sha512-/PzmzD/zyAeTUsduZa32bn0ORug+Jd1EGGAUJvqfeixoEISYpGnAezN6lnJoskauoai0Jrs+XSyvDhppCPoKOA==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "netbsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/openbsd-x64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/openbsd-x64/-/openbsd-x64-0.16.17.tgz",
-      "integrity": "sha512-2yaWJhvxGEz2RiftSk0UObqJa/b+rIAjnODJgv2GbGGpRwAfpgzyrg1WLK8rqA24mfZa9GvpjLcBBg8JHkoodg==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "openbsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/sunos-x64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/sunos-x64/-/sunos-x64-0.16.17.tgz",
-      "integrity": "sha512-xtVUiev38tN0R3g8VhRfN7Zl42YCJvyBhRKw1RJjwE1d2emWTVToPLNEQj/5Qxc6lVFATDiy6LjVHYhIPrLxzw==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "sunos"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-arm64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-arm64/-/win32-arm64-0.16.17.tgz",
-      "integrity": "sha512-ga8+JqBDHY4b6fQAmOgtJJue36scANy4l/rL97W+0wYmijhxKetzZdKOJI7olaBaMhWt8Pac2McJdZLxXWUEQw==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-ia32": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.16.17.tgz",
-      "integrity": "sha512-WnsKaf46uSSF/sZhwnqE4L/F89AYNMiD4YtEcYekBt9Q7nj0DiId2XH2Ng2PHM54qi5oPrQ8luuzGszqi/veig==",
-      "cpu": [
-        "ia32"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-x64": {
-      "version": "0.16.17",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.16.17.tgz",
-      "integrity": "sha512-y+EHuSchhL7FjHgvQL/0fnnFmO4T1bhvWANX6gcnqTjtnKWbTvUMCpGnv2+t+31d7RzyEAYAd4u2fnIhHL6N/Q==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.1.1.tgz",
@@ -2059,7 +1730,7 @@
         "node": ">= 8"
       }
     },
-    "node_modules/@nodelib/fs.scandir/node_modules/@nodelib/fs.stat": {
+    "node_modules/@nodelib/fs.stat": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
       "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==",
@@ -2135,6 +1806,27 @@
         }
       }
     },
+    "node_modules/@sveltejs/vite-plugin-svelte": {
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+      "resolved": "https://registry.npmjs.org/sade/-/sade-1.8.1.tgz",
+      "integrity": "sha512-xal3CZX1Xlo/k4ApwCFrHVACi9fBqJ7V+mwhBsuf/1IOKbBy098Fex+Wa/5QMubw09pSZ/u8EY8PWgevJsXp1A==",
+      "dev": true,
+      "requires": {
+        "mri": "^1.1.0"
+      }
+    },
     "safari-14-idb-fix": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/safari-14-idb-fix/-/safari-14-idb-fix-3.0.0.tgz",
@@ -16761,6 +16783,29 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "sander": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/sander/-/sander-0.5.1.tgz",
+      "integrity": "sha512-3lVqBir7WuKDHGrKRDn/1Ye3kwpXaDOMsiRP1wd6wpZW56gJhsbp5RqQpA6JG/P+pkXizygnr1dKR8vzWaVsfA==",
+      "dev": true,
+      "requires": {
+        "es6-promise": "^3.1.2",
+        "graceful-fs": "^4.1.3",
+        "mkdirp": "^0.5.1",
+        "rimraf": "^2.5.2"
+      }
+    },
+    "sass": {
+      "version": "1.57.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.57.1.tgz",
+      "integrity": "sha512-O2+LwLS79op7GI0xZ8fqzF7X2m/m8WFfI02dHOdsK5R2ECeS5F62zrwg/relM1rjSLy7Vd/DiMNIvPrQGsA0jw==",
+      "dev": true,
+      "requires": {
+        "chokidar": ">=3.0.0 <4.0.0",
+        "immutable": "^4.0.0",
+        "source-map-js": ">=0.6.2 <2.0.0"
+      }
+    },
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
@@ -16962,6 +17007,18 @@
       "resolved": "https://registry.npmjs.org/skmeans/-/skmeans-0.9.7.tgz",
       "integrity": "sha512-hNj1/oZ7ygsfmPZ7ZfN5MUBRoGg1gtpnImuJBgLO0ljQ67DtJuiQaiYdS4lUA6s0KCwnPhGivtC/WRwIZLkHyg=="
     },
+    "sorcery": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/sorcery/-/sorcery-0.11.0.tgz",
+      "integrity": "sha512-J69LQ22xrQB1cIFJhPfgtLuI6BpWRiWu1Y3vSsIwK/eAScqJxd/+CJlUuHQRdX2C9NGFamq+KqNywGgaThwfHw==",
+      "dev": true,
+      "requires": {
+        "@jridgewell/sourcemap-codec": "^1.4.14",
+        "buffer-crc32": "^0.2.5",
+        "minimist": "^1.2.0",
+        "sander": "^0.5.0"
+      }
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -17053,6 +17110,15 @@
       "integrity": "sha512-vavAMRXOgBVNF6nyEEmL3DBK19iRpDcoIwW+swQ+CbGiu7lju6t+JklA1MHweoWtadgt4ISVUsXLyDq34ddcwA==",
       "dev": true
     },
+    "strip-indent": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz",
+      "integrity": "sha512-laJTa3Jb+VQpaC6DseHhF7dXVqHTfJPCRDaEbid/drOhgitgYku/letMUqOXFoWV0zIIUbjpdH2t+tYj4bQMRQ==",
+      "dev": true,
+      "requires": {
+        "min-indent": "^1.0.0"
+      }
+    },
     "strip-json-comments": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
@@ -17077,6 +17143,49 @@
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
       "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w=="
     },
+    "svelte": {
+      "version": "3.55.1",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.55.1.tgz",
+      "integrity": "sha512-S+87/P0Ve67HxKkEV23iCdAh/SX1xiSfjF1HOglno/YTbSTW7RniICMCofWGdJJbdjw3S+0PfFb1JtGfTXE0oQ==",
+      "dev": true
+    },
+    "svelte-check": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-3.0.3.tgz",
+      "integrity": "sha512-ByBFXo3bfHRGIsYEasHkdMhLkNleVfszX/Ns1oip58tPJlKdo5Ssr8kgVIuo5oq00hss8AIcdesuy0Xt0BcTvg==",
+      "dev": true,
+      "requires": {
+        "@jridgewell/trace-mapping": "^0.3.17",
+        "chokidar": "^3.4.1",
+        "fast-glob": "^3.2.7",
+        "import-fresh": "^3.2.1",
+        "picocolors": "^1.0.0",
+        "sade": "^1.7.4",
+        "svelte-preprocess": "^5.0.0",
+        "typescript": "^4.9.4"
+      }
+    },
+    "svelte-hmr": {
+      "version": "0.15.1",
+      "resolved": "https://registry.npmjs.org/svelte-hmr/-/svelte-hmr-0.15.1.tgz",
+      "integrity": "sha512-BiKB4RZ8YSwRKCNVdNxK/GfY+r4Kjgp9jCLEy0DuqAKfmQtpL38cQK3afdpjw4sqSs4PLi3jIPJIFp259NkZtA==",
+      "dev": true,
+      "requires": {}
+    },
+    "svelte-preprocess": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/svelte-preprocess/-/svelte-preprocess-5.0.1.tgz",
+      "integrity": "sha512-0HXyhCoc9rsW4zGOgtInylC6qj259E1hpFnJMJWTf+aIfeqh4O/QHT31KT2hvPEqQfdjmqBR/kO2JDkkciBLrQ==",
+      "dev": true,
+      "requires": {
+        "@types/pug": "^2.0.6",
+        "@types/sass": "^1.43.1",
+        "detect-indent": "^6.1.0",
+        "magic-string": "^0.27.0",
+        "sorcery": "^0.11.0",
+        "strip-indent": "^3.0.0"
+      }
+    },
     "svg-path-parser": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/svg-path-parser/-/svg-path-parser-1.1.0.tgz",
@@ -17123,38 +17232,11 @@
         "resolve": "^1.22.1"
       },
       "dependencies": {
-        "@nodelib/fs.stat": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
-          "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A=="
-        },
         "color-name": {
           "version": "1.1.4",
           "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
           "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
         },
-        "fast-glob": {
-          "version": "3.2.12",
-          "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.12.tgz",
-          "integrity": "sha512-DVj4CQIYYow0BlaelwK1pHl5n5cRSJfM60UA0zK891sVInoPri2Ekj7+e1CT3/3qxXenpI+nBBmQAcJPJgaj4w==",
-          "requires": {
-            "@nodelib/fs.stat": "^2.0.2",
-            "@nodelib/fs.walk": "^1.2.3",
-            "glob-parent": "^5.1.2",
-            "merge2": "^1.3.0",
-            "micromatch": "^4.0.4"
-          },
-          "dependencies": {
-            "glob-parent": {
-              "version": "5.1.2",
-              "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
-              "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
-              "requires": {
-                "is-glob": "^4.0.1"
-              }
-            }
-          }
-        },
         "glob-parent": {
           "version": "6.0.2",
           "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
@@ -17163,25 +17245,11 @@
             "is-glob": "^4.0.3"
           }
         },
-        "micromatch": {
-          "version": "4.0.5",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
-          "integrity": "sha512-DMy+ERcEW2q8Z2Po+WNXuw3c5YaUSFjAO5GsJqfEl7UjvtIuFKO6ZrKvcItdy98dwFI2N1tg3zNIdKaQT+aNdA==",
-          "requires": {
-            "braces": "^3.0.2",
-            "picomatch": "^2.3.1"
-          }
-        },
         "nanoid": {
           "version": "3.3.4",
           "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
           "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw=="
         },
-        "picocolors": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-          "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ=="
-        },
         "postcss": {
           "version": "8.4.21",
           "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
@@ -18338,14 +18406,6 @@
       "requires": {
         "escalade": "^3.1.1",
         "picocolors": "^1.0.0"
-      },
-      "dependencies": {
-        "picocolors": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-          "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-          "dev": true
-        }
       }
     },
     "uri-js": {
@@ -18430,12 +18490,6 @@
           "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
           "dev": true
         },
-        "picocolors": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-          "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-          "dev": true
-        },
         "postcss": {
           "version": "8.4.21",
           "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
@@ -18449,6 +18503,13 @@
         }
       }
     },
+    "vitefu": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/vitefu/-/vitefu-0.2.4.tgz",
+      "integrity": "sha512-fanAXjSaf9xXtOOeno8wZXIhgia+CZury481LsDaV++lSvcU2R9Ch2bPh3PYFyoHW+w9LqAeYRISVQjUIew14g==",
+      "dev": true,
+      "requires": {}
+    },
     "wcwidth": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
diff --git a/package.json b/package.json
index a5e4b6ca2..f3d750437 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "bugs": "https://github.com/pietervdvn/MapComplete/issues",
   "homepage": "https://mapcomplete.osm.be",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "start": "npm run generate:layeroverview && npm run strt",
     "strt": "vite",
@@ -108,6 +109,8 @@
     "@babel/preset-env": "7.13.8",
     "@parcel/service-worker": "^2.6.0",
     "@rollup/plugin-json": "^6.0.0",
+    "@sveltejs/vite-plugin-svelte": "^2.0.2",
+    "@tsconfig/svelte": "^3.0.0",
     "@types/chai": "^4.3.0",
     "@types/geojson": "^7946.0.10",
     "@types/leaflet-markercluster": "^1.0.3",
@@ -125,10 +128,15 @@
     "fs": "0.0.1-security",
     "mocha": "^9.2.2",
     "prettier": "2.7.1",
+    "prettier-plugin-svelte": "^2.9.0",
     "read-file": "^0.2.0",
+    "sass": "^1.57.1",
     "sharp": "^0.30.5",
+    "svelte": "^3.55.1",
+    "svelte-check": "^3.0.2",
     "ts-node": "^10.9.1",
     "ts2json-schema": "^1.4.0",
+    "tslib": "^2.4.1",
     "tslint": "^6.1.3",
     "tslint-no-circular-imports": "^0.7.0",
     "typescript": "^4.7.4",
diff --git a/postcss.config.cjs b/postcss.config.cjs
new file mode 100644
index 000000000..61f202414
--- /dev/null
+++ b/postcss.config.cjs
@@ -0,0 +1,5 @@
+const tailwindcss = require("tailwindcss")
+
+module.exports = {
+  plugins: [tailwindcss("./tailwind.config.cjs")],
+}
diff --git a/svelte.config.js b/svelte.config.js
new file mode 100644
index 000000000..dc6efba2a
--- /dev/null
+++ b/svelte.config.js
@@ -0,0 +1,7 @@
+import { vitePreprocess } from "@sveltejs/vite-plugin-svelte"
+
+export default {
+  // Consult https://svelte.dev/docs#compile-time-svelte-preprocess
+  // for more information about preprocessors
+  preprocess: vitePreprocess(),
+}
diff --git a/tailwind.config.js b/tailwind.config.cjs
similarity index 68%
rename from tailwind.config.js
rename to tailwind.config.cjs
index 79ef6798a..e77c997a7 100644
--- a/tailwind.config.js
+++ b/tailwind.config.cjs
@@ -1,23 +1,27 @@
 /** @type {import('tailwindcss').Config} */
-const plugin = require("tailwindcss/plugin");
+const plugin = require("tailwindcss/plugin")
 
 module.exports = {
-  content: ["./**/*.html", "./**/*.ts"],
+  content: ["./**/*.{html,ts,svelte}"],
   theme: {
     extend: {
       maxHeight: {
         "65vh": "65vh",
         "20vh": "20vh",
       },
+      colors: {
+        subtle: "#dbeafe",
+        unsubtle: "#bfdbfe",
+      },
     },
   },
   plugins: [
     plugin(function ({ addVariant, e }) {
       addVariant("landscape", ({ modifySelectors, separator }) => {
         modifySelectors(({ className }) => {
-          return `.${e(`landscape${separator}${className}`)}:landscape`;
-        });
-      });
+          return `.${e(`landscape${separator}${className}`)}:landscape`
+        })
+      })
     }),
   ],
-};
+}
diff --git a/vite.config.js b/vite.config.js
index 16ab03236..4c710a8f6 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -1,5 +1,7 @@
-const { defineConfig } = require("vite")
+import { defineConfig } from "vite"
+import { svelte } from "@sveltejs/vite-plugin-svelte"
 import fs from "fs"
+
 const allHtmlFiles = fs.readdirSync(".").filter((f) => f.endsWith(".html"))
 const input = {}
 const ASSET_URL = process.env.ASSET_URL || ""
@@ -9,13 +11,14 @@ for (const html of allHtmlFiles) {
   input[name] = "./" + html
 }
 
-module.exports = defineConfig({
+export default defineConfig({
   build: {
     rollupOptions: {
       input,
     },
   },
   base: `${ASSET_URL}`,
+  plugins: [svelte()],
   server: {
     port: 1234,
   },