Add woff font

app/assets/stylesheets/welcome.scss

@@ -20,7 +20,8 @@
 
 @font-face {
 	font-family: 'Arkitech';
-	src: font-url("ArkitechLight.ttf") format('truetype');
+	src: font-url("ArkitechLight.ttf") format('truetype'),
+	     font-url("ArkitechLight.woff") format('woff');
 }
 
 * {
@@ -190,6 +191,16 @@ hr {
 	height: 100%;
 	overflow: hidden;
 }
+.section .watermark {
+	position: relative;
+	padding: 2px;
+	opacity: 0.2;
+	width: 60%;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+	z-index: 0;
+}
 
 .content {
 	position: absolute;