diff --git a/packages/backend/src/server/web/boot.css b/packages/backend/src/server/web/boot.css
new file mode 100644
index 000000000..f7007f9fb
--- /dev/null
+++ b/packages/backend/src/server/web/boot.css
@@ -0,0 +1,97 @@
+* {
+	font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
+}
+
+body,
+html {
+	background-color: #222;
+	color: #dfddcc;
+	justify-content: center;
+	margin: auto;
+	width: 80%;
+	padding: 10px;
+	text-align: center;
+}
+
+button {
+	border-radius: 999px;
+	padding: 0px 12px 0px 12px;
+	border: none;
+	cursor: pointer;
+	margin-bottom: 12px;
+}
+
+.button-big {
+	background: linear-gradient(90deg, rgb(134, 179, 0), rgb(74, 179, 0));
+	line-height: 50px;
+}
+
+.button-big:hover {
+	background: rgb(153, 204, 0);
+}
+
+.button-small {
+	background: #444;
+	line-height: 40px;
+}
+
+.button-small:hover {
+	background: #555;
+}
+
+.button-label-big {
+	color: #222;
+	font-weight: bold;
+	font-size: 20px;
+	padding: 12px;
+}
+
+.button-label-small {
+	color: rgb(153, 204, 0);
+	font-size: 16px;
+	padding: 12px;
+}
+
+a {
+	color: rgb(134, 179, 0);
+	text-decoration: none;
+}
+
+p,
+li {
+	font-size: 16px;
+}
+
+.dont-worry {
+	font-size: 18px;
+}
+
+.icon-warning {
+	color: #dec340;
+	font-size: 40px;
+}
+
+h1 {
+	font-size: 32px;
+}
+
+code {
+	font-family: Fira, FiraCode, monospace;
+}
+
+details {
+	background: #333;
+	margin-bottom: 2rem;
+	padding: 0.5rem 1rem;
+	border-radius: 5px;
+	justify-content: center;
+	margin: 0px 40rem 0px 40rem;
+}
+
+summary {
+	cursor: pointer;
+}
+
+summary > * {
+	display: inline;
+}
diff --git a/packages/backend/src/server/web/boot.js b/packages/backend/src/server/web/boot.js
index 9fc536555..8ae5c935b 100644
--- a/packages/backend/src/server/web/boot.js
+++ b/packages/backend/src/server/web/boot.js
@@ -106,14 +106,37 @@
 	function renderError(code, details) {
 		let errorsElement = document.getElementById('errors');
 		if (!errorsElement) {
+			document.getElementsByTagName("head")[0].insertAdjacentHTML(
+				"beforeend",
+				`<link rel="stylesheet" href="../boot.css" />`);
 			document.documentElement.innerHTML = `
-			<h1>⚠ An error has occurred. ⚠</h1>
-			<p>If the problem persists, please contact the administrator. You may also try the following options:</p>
-			<ul>
-				<li>Start <a href="/cli">the simple client</a></li>
-				<li>Attempt to repair in <a href="/bios">BIOS</a></li>
-				<li><a href="/flush">Flush preferences and cache</a></li>
-			</ul>
+			<div class="icon-warning">
+				<i class="fas fa-exclamation-triangle"></i>
+			</div>
+			<h1>An error has occurred!</h1>
+			<button class="button-big" onclick="location.reload(true);">
+				<span class="button-label-big">Refresh</span>
+			</button>
+      <p class="dont-worry">Don't worry, it's (probably) not your fault.</p>
+			<p>If the problem persists after refreshing, please contact your instance's administrator.<br>You may also try the following options:</p>
+      <a href="/flush">
+      <button class="button-small">
+        <span class="button-label-small">Flush preferences and cache</span>
+      </button>
+      </a>
+			<br>
+      <a href="/cli">
+        <button class="button-small">
+          <span class="button-label-small">Start the simple client</span>
+        </button>
+      </a>
+			<br>
+      <a href="/bios">
+        <button class="button-small">
+          <span class="button-label-small">Attempt to repair in BIOS</span>
+        </button>
+      </a>
+			<br>
 			<hr>
 			<div id="errors"></div>
 			`;
@@ -122,8 +145,7 @@
 		}
 
 		const detailsElement = document.createElement('details');
-		detailsElement.innerHTML = `<summary><code>ERROR CODE: ${code}</code></summary>${JSON.stringify(details)}`;
-
+		detailsElement.innerHTML = `<br><summary><code>ERROR CODE: ${code}</code></summary>${JSON.stringify(details)}`;
 		errorsElement.appendChild(detailsElement);
 	}
 
diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index 5bb156f0f..32499aa45 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -53,7 +53,7 @@ html
 		block meta
 
 		block og
-			meta(property='og:title'       content= title || 'Misskey') 
+			meta(property='og:title'       content= title || 'Misskey')
 			meta(property='og:description' content= desc || '✨🌎✨ A interplanetary communication platform ✨🚀✨') 
 			meta(property='og:image'       content= img)