diff --git a/css/avgrund.css b/css/avgrund.css
new file mode 100644
index 0000000..23d9f70
--- /dev/null
+++ b/css/avgrund.css
@@ -0,0 +1,127 @@
+
+.avgrund-popin {
+	position: absolute;
+	background: #fff;
+	padding: 0px;
+	overflow: hidden;
+	visibility: hidden;
+	opacity: 0;
+	filter: alpha(opacity=0);
+	top: 50%;
+	left: 50%;
+	border-radius: 10px;
+	z-index: 1000;
+	box-shadow: 0 1px 10px 0 rgba(0, 0, 0, .5);
+
+	-webkit-transform: scale(0.8);
+	-moz-transform: scale(0.8);
+	-ms-transform: scale(0.8);
+	-o-transform: scale(0.8);
+	transform: scale(0.8);
+}
+
+.avgrund-overlay {
+	background: #000;
+	width: 100%;
+	position: relative;
+	top: -1500px;
+	left: 0;
+	z-index: 101;
+	visibility: hidden;
+	opacity: 0;
+	filter: alpha(opacity=0);
+}
+
+body.avgrund-ready,
+.avgrund-ready .avgrund-popin,
+.avgrund-ready .avgrund-overlay {
+	-webkit-transform-origin: 50% 50%;
+	-moz-transform-origin: 50% 50%;
+	-ms-transform-origin: 50% 50%;
+	-o-transform-origin: 50% 50%;
+	transform-origin: 50% 50%;
+
+	-webkit-transition: 0.3s all ease-out;
+	-moz-transition: 0.3s all ease-out;
+	-ms-transition: 0.3s all ease-out;
+	-o-transition: 0.3s all ease-out;
+	transition: 0.3s all ease-out;
+}
+
+body.avgrund-active {
+	-webkit-transform: scale(0.9);
+	-moz-transform: scale(0.9);
+	-ms-transform: scale(0.9);
+	-o-transform: scale(0.9);
+	transform: scale(0.9);
+	overflow: hidden;
+}
+
+.avgrund-active .avgrund-popin {
+	visibility: visible;
+	opacity: 1;
+	filter: alpha(opacity=100);
+
+	-webkit-transform: scale(1.1);
+	-moz-transform: scale(1.1);
+	-ms-transform: scale(1.1);
+	-o-transform: scale(1.1);
+	transform: scale(1.1);
+}
+
+.avgrund-active .avgrund-overlay {
+	visibility: visible;
+	opacity: .5;
+	filter: alpha(opacity=50);
+	height: 20000px;
+}
+
+.avgrund-popin.stack {
+	-webkit-transform: scale(1.5);
+	-moz-transform: scale(1.5);
+	-ms-transform: scale(1.5);
+	-o-transform: scale(1.5);
+	transform: scale(1.5);
+}
+
+.avgrund-active .avgrund-popin.stack {
+	-webkit-transform: scale(1.1);
+	-moz-transform: scale(1.1);
+	-ms-transform: scale(1.1);
+	-o-transform: scale(1.1);
+	transform: scale(1.1);
+}
+
+.avgrund-active .avgrund-blur {
+	-webkit-filter: blur(1px);
+	-moz-filter: blur(1px);
+	-ms-filter: blur(1px);
+	-o-filter: blur(1px);
+	filter: blur(1px);
+}
+
+/* Optional close button styles */
+.avgrund-close {
+	position: absolute;
+	top: 26px;
+	right: 10px;
+	width:25px;
+	height:25px;
+	display:block;
+	text-transform:uppercase;
+	text-decoration:none;
+	color: #A2A2A2;
+	background: #FFF;
+	font-family:"Tahoma", Helvetica, sans-serif;
+	text-align:center;
+	font-size:18px;
+	line-height:1.4em;
+	border-radius:50%;
+	-moz-border-radius:50%;
+	-webkit-border-radius:50%;
+	box-shadow:0px 0px 2px 0px #666;
+	-moz-box-shadow:0px 0px 2px 0px #666;
+	-webkit-box-shadow:0px 0px 2px 0px #666;
+	text-indent:1px;
+	font-weight:bold;
+}