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+<!DOCTYPE html>
+<html>
+<head>
+<title>Advent of GIS (AoG 2023)</title>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Raleway">
+<style>
+body,h1 {font-family: "Raleway", sans-serif}
+body, html {height: 100%}
+.bgimg {
+  background-image: url('./aog2023_santa2.png');
+  /*filter: brightness(50%);*/
+  min-height: 100%;
+  background-position: center;
+  background-size: cover;
+}
+
+.text {
+    background-color: red;
+    filter: brightness(150%);
+}
+
+.snow {
+  background-image: url("data:image/svg+xml,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 50 50' style='enable-background:new 0 0 50 50%3B' xml:space='preserve'%3E%3Cstyle type='text/css'%3E.st1%7Bopacity:0.3%3Bfill:%23FFFFFF%3B%7D.st3%7Bopacity:0.1%3Bfill:%23FFFFFF%3B%7D%3C/style%3E%3Ccircle class='st1' cx='5' cy='8' r='1'/%3E%3Ccircle class='st1' cx='38' cy='3' r='1'/%3E%3Ccircle class='st1' cx='12' cy='4' r='1'/%3E%3Ccircle class='st1' cx='16' cy='16' r='1'/%3E%3Ccircle class='st1' cx='47' cy='46' r='1'/%3E%3Ccircle class='st1' cx='32' cy='10' r='1'/%3E%3Ccircle class='st1' cx='3' cy='46' r='1'/%3E%3Ccircle class='st1' cx='45' cy='13' r='1'/%3E%3Ccircle class='st1' cx='10' cy='28' r='1'/%3E%3Ccircle class='st1' cx='22' cy='35' r='1'/%3E%3Ccircle class='st1' cx='3' cy='21' r='1'/%3E%3Ccircle class='st1' cx='26' cy='20' r='1'/%3E%3Ccircle class='st1' cx='30' cy='45' r='1'/%3E%3Ccircle class='st1' cx='15' cy='45' r='1'/%3E%3Ccircle class='st1' cx='34' cy='36' r='1'/%3E%3Ccircle class='st1' cx='41' cy='32' r='1'/%3E%3C/svg%3E");
+  background-position: 0px 0px;
+  animation: animatedBackground 10s linear infinite;
+}
+
+.snow div {
+  width: 100%;
+  height: 100%;
+  background-image: url("data:image/svg+xml,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 50 50' style='enable-background:new 0 0 50 50%3B' xml:space='preserve'%3E%3Cstyle type='text/css'%3E.st1%7Bopacity:0.7%3Bfill:%23FFFFFF%3B%7D.st3%7Bopacity:0.1%3Bfill:%23FFFFFF%3B%7D%3C/style%3E%3Ccircle class='st3' cx='4' cy='14' r='1'/%3E%3Ccircle class='st3' cx='43' cy='3' r='1'/%3E%3Ccircle class='st3' cx='31' cy='30' r='2'/%3E%3Ccircle class='st3' cx='19' cy='23' r='1'/%3E%3Ccircle class='st3' cx='37' cy='22' r='1'/%3E%3Ccircle class='st3' cx='43' cy='16' r='1'/%3E%3Ccircle class='st3' cx='8' cy='45' r='1'/%3E%3Ccircle class='st3' cx='29' cy='39' r='1'/%3E%3Ccircle class='st3' cx='13' cy='37' r='1'/%3E%3Ccircle class='st3' cx='47' cy='32' r='1'/%3E%3Ccircle class='st3' cx='15' cy='4' r='2'/%3E%3Ccircle class='st3' cx='9' cy='27' r='1'/%3E%3Ccircle class='st3' cx='30' cy='9' r='1'/%3E%3Ccircle class='st3' cx='25' cy='15' r='1'/%3E%3Ccircle class='st3' cx='21' cy='45' r='2'/%3E%3Ccircle class='st3' cx='42' cy='45' r='1'/%3E%3C/svg%3E");
+  background-position: 0px 0px;
+  animation: animatedBackground 15s linear infinite;
+}
+
+@keyframes animatedBackground {
+  0% {
+    background-position: 0 0;
+  }
+  100% {
+    background-position: 0px 300px;
+  }
+}
+
+
+</style>
+</head>
+<body>
+
+<div class="bgimg w3-display-container w3-animate-opacity w3-text-white">
+  <div class="w3-display-topleft w3-padding-large w3-xlarge">
+    
+  </div>
+  <div class="w3-display-middle text snow">
+    <h1 class="w3-jumbo w3-animate-top">Advent of GIS 2023</h1>
+    <hr class="w3-border-grey" style="margin:auto;width:40%">
+    <p class="w3-large w3-center" id="luke">Første luke åpnes 1. desember</p>
+  </div>
+  <div class="w3-display-bottomleft w3-padding-large">
+    Powered by <a href="https://www.norkart.no" target="_blank">Norkart</a>
+  </div>
+</div>
+
+
+<script>
+(function() {
+    let y = new Date().getFullYear();
+    let m = new Date().getMonth();
+    var d = new Date().getDate();
+    d = String(d).padStart(2, '0');
+    var txt = "Første luke åpnes 1. desember";
+    if(m != 12 || d > 24) {
+        return;
+    }
+    let link = '<a href="https://github.com/Norkart/AdventOfGIS/tree/'+y+'/'+d+'">'
+    document.getElementById("luke").innerHTML = link + "Luke " + d + " er åpnet!</a>";
+})()
+</script>
+
+
+</body>
+</html>
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