Add Dockerfile

static/styles/common.scss

@@ -12,17 +12,23 @@ body {
 	-webkit-box-align: center;
 	-ms-flex-align: center;
 	align-items: center;
-	background-image: url(/images/background.svg);
-	background-repeat: no-repeat;
-	background-blend-mode: multiply;
-	background-size: 100vh;
-	background-position: top;
 	background-color: #0c2738;
 	color: #ffffff;
 	height: 100%;
 	font-family: Ubuntu,serif;
 }
 
+body::after {
+	display: absolute;
+	top: 0;
+	bottom: 100vh;
+	left: 0;
+	right: 100vw;
+
+	background-image: url(/images/background.svg);
+	background-repeat: no-repeat;
+}
+
 .nobr {
 	white-space: nowrap;
 }