diff --git a/fifo-webui/command.php b/fifo-webui/command.php
index 9a68d78..8767574 100644
--- a/fifo-webui/command.php
+++ b/fifo-webui/command.php
@@ -1,6 +1,13 @@
 <?php
 
-$f = fopen("/tmp/mapid.fifo", "w+");
+define("FIFO", "/tmp/mapid");
+
+
+if (!file_exists(FIFO))
+	die("<!DOCTYPE html>\n<meta charset=\"UTF-8\">\n<h3 style=\"color:red;\">Error: FIFO file “" . FIFO . "” does not exist!</h3><p>Is <tt>fifo_bridge.py</tt> running?</p>");
+
+
+$f = fopen(FIFO, "w+");
 
 switch ($_POST["cmd"]) {
 	case "getty":
diff --git a/fifo-webui/index.php b/fifo-webui/index.php
index 3aca885..b7193f0 100644
--- a/fifo-webui/index.php
+++ b/fifo-webui/index.php
@@ -6,37 +6,43 @@ $Title = "MAPID-FIFO Web-UI";
 	<head>
 		<meta charset="UTF-8">
 		<meta name="viewport" content="width=device-width, initial-scale=1.0">
-		<title></title>
+		<title><?=$Title?></title>
+		<link rel="stylesheet" type="text/css" href="style.css">
 	</head>
 	<body>
 		<header>
 			<h1><?=$Title?></h1>
 		</header>
 		<main>
-			<form action="command.php" method="POST">
-				<input type="hidden" name="cmd" value="getty">
-				<button type="submit">Getty</button>
-			</form>
-			<hr>
-			<form action="command.php" method="POST">
-				<input type="hidden" name="cmd" value="cls">
-				<button type="submit">Clear</button>
-			</form>
-			<hr>
-			<form action="command.php" method="POST">
-				<input type="hidden" name="cmd" value="line">
-				<select name="line" height="1">
-					<option value="1">1</option>
-					<option value="2">2</option>
-				</select>
-				<button type="submit">Select line</button>
-			</form>
-			<hr>
-			<form action="command.php" method="POST">
-				<input type="hidden" name="cmd" value="echo">
-				<input type="text" name="text">
-				<button type="submit">Output</button>
-			</form>
+			<section>
+				<form action="command.php" method="POST">
+					<input type="hidden" name="cmd" value="getty">
+					<button type="submit">Getty</button>
+				</form>
+			</section>
+			<section>
+				<form action="command.php" method="POST">
+					<input type="hidden" name="cmd" value="cls">
+					<button type="submit">Clear</button>
+				</form>
+			</section>
+			<section>
+				<form action="command.php" method="POST">
+					<input type="hidden" name="cmd" value="line">
+					<select name="line" height="1">
+						<option value="1">1</option>
+						<option value="2">2</option>
+					</select>
+					<button type="submit">Select line</button>
+				</form>
+			</section>
+			<section>
+				<form action="command.php" method="POST">
+					<input type="hidden" name="cmd" value="echo">
+					<input type="text" name="text" placeholder="Text">
+					<button type="submit">Output</button>
+				</form>
+			</section>
 		</main>
 	</body>
 </html>
diff --git a/fifo-webui/style.css b/fifo-webui/style.css
new file mode 100644
index 0000000..f7baa8e
--- /dev/null
+++ b/fifo-webui/style.css
@@ -0,0 +1,56 @@
+*, *:before, *:after {
+	box-sizing: border-box;
+}
+
+h1 {
+	font: 2em "Source Serif Pro", serif;
+	margin: 1em 0 2em;
+	padding: .5em;
+	text-align: center;
+}
+
+main {
+	width: 25em;
+	max-width: 100%;
+	padding: .5em;
+	margin: 0 auto;
+}
+
+section {
+	margin: 0 0 2em;
+}
+
+input, select {
+	border-radius: 6px;
+	padding: 6px 14px;
+	
+  /*background: #DFDEDF;*/
+  background: #efefef;
+  /*box-shadow: 0px 0.5px 1px rgba(0, 0, 0, 0.1), inset 0px 0.5px 0.5px rgba(255, 255, 255, 0.5), 0px 0px 0px 0.5px rgba(0, 0, 0, 0.12);*/
+  color: #6E6D70;
+  display: inline-block;
+  margin-right: .5em;
+}
+
+/* https://getcssscan.com/css-buttons-examples */
+button {
+  /*display: flex;
+  flex-direction: column;
+  align-items: center;*/
+  padding: 6px 14px;
+  font-family: -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
+  border-radius: 6px;
+  border: none;
+
+  background: #6E6D70;
+  box-shadow: 0px 0.5px 1px rgba(0, 0, 0, 0.1), inset 0px 0.5px 0.5px rgba(255, 255, 255, 0.5), 0px 0px 0px 0.5px rgba(0, 0, 0, 0.12);
+  color: #DFDEDF;
+  user-select: none;
+  -webkit-user-select: none;
+  touch-action: manipulation;
+}
+
+button:focus {
+  box-shadow: inset 0px 0.8px 0px -0.25px rgba(255, 255, 255, 0.2), 0px 0.5px 1px rgba(0, 0, 0, 0.1), 0px 0px 0px 3.5px rgba(58, 108, 217, 0.5);
+  outline: 0;
+}
\ No newline at end of file
