diff --git a/server/index.html b/server/index.html
index 45531df..3cbef71 100644
--- a/server/index.html
+++ b/server/index.html
@@ -33,10 +33,9 @@
     <h1><img src="static/img/ntfy.png" alt="ntfy"/><br/>ntfy.sh - simple HTTP-based pub-sub</h1>
     <p>
         <b>ntfy</b> (pronounce: <i>notify</i>) is a simple HTTP-based <a href="https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern">pub-sub</a> notification service.
-        It allows you to send <b>notifications to your phone or desktop via scripts from any computer</b>, entirely <b>without signup or cost</b>.
-        It's also <a href="https://github.com/binwiederhier/ntfy">open source</a> if you want to run your own.
+        It allows you to send notifications <a href="https://play.google.com/store/apps/details?id=io.heckel.ntfy">to your phone</a> or desktop via scripts from any computer,
+        entirely <b>without signup or cost</b>. It's also <a href="https://github.com/binwiederhier/ntfy">open source</a> if you want to run your own.
     </p>
-    <p id="error"></p>
 
     <h2>Publishing messages</h2>
     <p>
@@ -65,21 +64,24 @@
         <a href="https://developer.mozilla.org/en-US/docs/Web/API/EventSource">EventSource</a>, a JSON feed, or raw feed.
     </p>
 
-    <h3>Subscribe via web</h3>
-    <p>
-        If you subscribe to a topic via this web UI in the field below, messages published to any subscribed topic
-        will show up as <b>desktop notification</b>.
-    </p>
-    <form id="subscribeForm">
-        <p>
-            <label for="topicField">Subscribe to topic:</label>
-            <input type="text" id="topicField" placeholder="Letters, numbers, _ and -"  pattern="[-_A-Za-z]{1,64}" />
-            <input type="submit" id="subscribeButton" value="Subscribe" />
-        </p>
-    </form>
-    <p id="topicsHeader">Topics:</p>
-    <ul id="topicsList"></ul>
-    <audio id="notifySound" src="static/sound/mixkit-message-pop-alert-2354.mp3"></audio>
+    <div id="subscribeBox">
+        <form id="subscribeForm">
+            <h3>Subscribe via web</h3>
+            <p id="error"></p>
+            <p>
+                Messages published to topics subscribed here will show up as <b>desktop notification</b>.
+                Topics are not password-protected, so choose a name that's not easy to guess. Once subscribed, you can
+                publish messages via PUT/POST.
+            </p>
+            <p>
+                <input type="text" id="topicField" autocomplete="off" placeholder="Topic name, e.g. phil_alerts"  pattern="[-_A-Za-z]{1,64}" />
+                <button id="subscribeButton">Subscribe</button>
+            </p>
+        </form>
+        <p id="topicsHeader"><b>Subscribed topics:</b></p>
+        <ul id="topicsList"></ul>
+        <audio id="notifySound" src="static/sound/mixkit-message-pop-alert-2354.mp3"></audio>
+    </div>
 
     <h3>Subscribe via phone</h3>
     <p>
diff --git a/server/static/css/app.css b/server/static/css/app.css
index f171f4f..cc9a67b 100644
--- a/server/static/css/app.css
+++ b/server/static/css/app.css
@@ -60,6 +60,7 @@ code {
     margin-bottom: 20px;
 }
 
+
 /* Lato font (OFL), https://fonts.google.com/specimen/Lato#about,
    embedded with the help of https://google-webfonts-helper.herokuapp.com/fonts/lato?subsets=latin */
 
@@ -87,3 +88,104 @@ code {
 #ironicCenterTagDontFreakOut {
     color: #666;
 }
+
+/* Subscribe box */
+
+button {
+    background: #3a9784;
+    border: none;
+    border-radius: 3px;
+    padding: 3px 5px;
+    color: white;
+    cursor: pointer;
+}
+
+button:hover {
+    background: #317f6f;
+    padding: 5px;
+}
+
+ul {
+    padding-left: 1em;
+    list-style-type: none;
+    padding-bottom: 0;
+    margin: 0;
+}
+
+li {
+    padding: 4px 0;
+    margin: 4px 0;
+    font-size: 0.9em;
+}
+
+@media only screen and (min-width: 1600px) {
+    #subscribeBox {
+        position: fixed;
+        top: 180px;
+        right: 10px;
+        width: 300px;
+        border-left: 4px solid #3a9784;
+        padding: 10px;
+    }
+
+    #subscribeBox h3 {
+        margin-top: 0;
+        margin-bottom: 5px;
+        font-size: 1.1em;
+    }
+
+    #subscribeBox #topicsHeader {
+        margin-bottom: 0;
+    }
+
+    #subscribeBox p {
+        font-size: 0.9em;
+        margin-bottom: 10px;
+    }
+
+    #subscribeBox ul {
+        margin: 0;
+        padding: 0;
+    }
+
+    #subscribeBox input {
+        height: 18px;
+        border-radius: 3px;
+        border: none;
+        border-bottom: 1px solid #aaa;
+    }
+
+    #subscribeBox input:focus {
+        border-bottom: 2px solid #3a9784;
+        outline: none;
+    }
+
+    #subscribeBox li {
+        margin: 3px 0;
+        padding: 0;
+    }
+
+    #subscribeBox li img {
+        width: 15px;
+        height: 15px;
+        vertical-align: bottom;
+    }
+
+    #subscribeBox button {
+        font-size: 0.7em;
+        background: #3a9784;
+        border-radius: 3px;
+        padding: 3px 5px;
+        color: white;
+        cursor: pointer;
+        border-top: solid transparent 2px;
+        border-bottom: solid transparent 2px;
+    }
+
+    #subscribeBox button:hover {
+        background: #317f6f;
+    }
+
+}
+
+
diff --git a/server/static/img/clear_black_24dp.svg b/server/static/img/clear_black_24dp.svg
new file mode 100644
index 0000000..b2ddadb
--- /dev/null
+++ b/server/static/img/clear_black_24dp.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#FFFFFF"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg>
diff --git a/server/static/img/delete_black_24dp.svg b/server/static/img/delete_black_24dp.svg
new file mode 100644
index 0000000..58c6697
--- /dev/null
+++ b/server/static/img/delete_black_24dp.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#FFFFFF"><path d="M0 0h24v24H0z" fill="none"/><path d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z"/></svg>
diff --git a/server/static/img/send_black_24dp.svg b/server/static/img/send_black_24dp.svg
new file mode 100644
index 0000000..36d0c89
--- /dev/null
+++ b/server/static/img/send_black_24dp.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#ffffff"><path d="M0 0h24v24H0z" fill="none"/><path d="M2.01 21L23 12 2.01 3 2 10l15 2-15 2z"/></svg>
diff --git a/server/static/js/app.js b/server/static/js/app.js
index b1b78a5..24d4f5d 100644
--- a/server/static/js/app.js
+++ b/server/static/js/app.js
@@ -40,7 +40,7 @@ const subscribeInternal = (topic, delaySec) => {
         if (!topicEntry) {
             topicEntry = document.createElement('li');
             topicEntry.id = `topic-${topic}`;
-            topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')">Test</button> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
+            topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')"> <img src="static/img/send_black_24dp.svg"> Test</button> <button onclick="unsubscribe('${topic}')"> <img src="static/img/clear_black_24dp.svg"> Unsubscribe</button>`;
             topicsList.appendChild(topicEntry);
         }
         topicsHeader.style.display = '';
@@ -48,7 +48,7 @@ const subscribeInternal = (topic, delaySec) => {
         // Open event source
         let eventSource = new EventSource(`${topic}/sse`);
         eventSource.onopen = () => {
-            topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')">Test</button> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
+            topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')"> <img src="static/img/send_black_24dp.svg"> Test</button> <button onclick="unsubscribe('${topic}')"> <img src="static/img/clear_black_24dp.svg"> Unsubscribe</button>`;
             delaySec = 0; // Reset on successful connection
         };
         eventSource.onerror = (e) => {
@@ -83,7 +83,7 @@ const unsubscribe = (topic) => {
 const test = (topic) => {
     fetch(`/${topic}`, {
         method: 'PUT',
-        body: `This is a test notification`
+        body: `This is a test notification sent from the Ntfy Web UI. It was sent at ${new Date().toString()}.`
     })
 };
 
@@ -101,7 +101,7 @@ const showNotificationDeniedError = () => {
     showError("You have blocked desktop notifications for this website. Please unblock them and refresh to use the web-based desktop notifications.");
 };
 
-subscribeForm.onsubmit = function () {
+subscribeButton.onclick = function () {
     if (!topicField.value) {
         return false;
     }