diff --git a/src/app.html b/src/app.html
index 936c4a3..be3fdc0 100644
--- a/src/app.html
+++ b/src/app.html
@@ -6,6 +6,7 @@
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
 		%sveltekit.head%
 		<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.css" integrity="sha384-AfEj0r4/OFrOo5t7NnNe46zW/tFgW6x/bCJG8FqQCEo3+Aro6EYUG4+cU+KJWu/X" crossorigin="anonymous">
+		<meta name="theme-color" content="#028760" />
 	</head>
 	<body data-sveltekit-preload-data="hover" class="font-serif">
 		<div style="display: contents">%sveltekit.body%</div>
diff --git a/src/lib/theme.ts b/src/lib/theme.ts
index 55ad19f..f7247d3 100644
--- a/src/lib/theme.ts
+++ b/src/lib/theme.ts
@@ -1,4 +1,4 @@
-import { writable } from 'svelte/store'
+import { writable, get } from 'svelte/store'
 import { browser } from "$app/environment"
 
 type Theme = 'tokiwa' | 'star'
@@ -11,3 +11,11 @@ export const theme = writable(userTheme ?? 'tokiwa')
 export function setTheme(newTheme: Theme) {
 	theme.set(newTheme)
 }
+
+export function getThemeObject(key: string, obj: { [key in Theme]: string } | string) {
+	if (typeof obj === 'object') {
+		return obj[key];
+	} else {
+		return obj;
+	}
+}
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 10c7032..42a4cd6 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -1,6 +1,8 @@
 <script lang="ts">
+	import { derived } from 'svelte/store'
 	import { routes } from "$lib/sitemap.ts"
 	import { Separator } from "$lib/components/ui/separator/index.js";
+	import { theme, getThemeObject } from '$lib/theme'
 	import { Rss } from "lucide-svelte";
 	import ThemeSwitch from "$lib/components/ThemeSwitch.svelte"
 	let scrollPosition: number = .5;
@@ -38,6 +40,11 @@
 	};
 	const iconLinks: [string, string][] = Object.entries(metadata.links).map(
 		([key, link]) => [iconMap[key], link]);
+
+	const frontCover = derived(
+		theme,
+		($theme) => getThemeObject($theme, metadata.frontCover)
+	)
 </script>
 
 <svelte:head>
@@ -46,7 +53,7 @@
 
 <div
 	id="background"
-	style="opacity: {1 - progress}; background-image: url('{metadata.frontCover}')"
+	style="opacity: {1 - progress}; background-image: url('{$frontCover}')"
 >
 </div>
 
@@ -113,8 +120,8 @@
 		background-position: center center;
 		z-index: -10;
 		position: absolute;
-		min-width: 100vw;
-		height: 100vh;
+		min-width: 100svw;
+		height: 100svh;
 		overscroll-behaviour: none;
 	}
 	#front {
