diff --git a/index.html b/index.html
index 6460daa..39f2e3e 100644
--- a/index.html
+++ b/index.html
@@ -8,6 +8,7 @@
 	<link rel="stylesheet" type="text/css" href="styles.css">
 	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
 	      integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
+	<link rel="stylesheet" href="https://use.typekit.net/eun8zle.css">
 	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
 	        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
 	        crossorigin="anonymous"></script>
@@ -15,7 +16,6 @@
 	<script src="https://kit.fontawesome.com/f2c150d561.js"
 	        crossorigin="anonymous">
 	</script>
-
 	<script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
 	<script src="scripts.js"></script>
 </head>
@@ -103,10 +103,11 @@
 						<option value="4">Kryptographische Verfahren</option>
 						<option value="5">Robotik</option>
 						<option value="6">Web-Services</option>
-						<option value="7">Digitale Audiosignalverarbeitung</option>
-						<option value="8">Psychologische Grundlagen für Informatiker</option>
-						<option value="9">Erklärbare Künstliche Intelligenz</option>
-						<option value="10">Innovation Management</option>
+						<option value="7">High Performance Computing</option>
+						<option value="8">Digitale Audiosignalverarbeitung</option>
+						<option value="9">Psychologische Grundlagen für Informatiker</option>
+						<option value="10">Erklärbare Künstliche Intelligenz</option>
+						<option value="11">Innovation Management</option>
 					</select>
 				</div>
 				<!-- // WAHLMODUL -->
@@ -131,23 +132,30 @@
 				<!-- // GENERATE LINK BUTTON -->
 			</form>
 		</div>
-		<div class="raplalinkcontainer--nav__subtext">Made with <img height="10" src="https://emojipedia-us.s3.dualstack.us-west-1.amazonaws.com/thumbs/240/microsoft/309/red-heart_2764-fe0f.png"/> by <a href="https://www.p4ddy.com">Paddy</a> & <a href="https://www.li54.dev">Lisa</a></div>
+		<div class="raplalinkcontainer--nav__subtext">
+			Made with <img height="10" src="https://emojipedia-us.s3.dualstack.us-west-1.amazonaws.com/thumbs/240/microsoft/309/red-heart_2764-fe0f.png" alt="heart"/> by
+			<a href="https://www.p4ddy.com">Paddy</a>,
+			<a href="https://www.li54.dev">Lisa</a> &
+			<a href="https://www.davidhuh.de">Dave</a>.<br>
+			The Source Code for this page is available <a href="https://git.plutodev.de/Paddy/RaPla-Middleware-LinkGen">here</a>,
+			the code for the middleware is available <a href="https://git.plutodev.de/PlutoDev/plutoapi-v2/src/branch/master/src/models/rapla-middleware">here</a>.
+		</div>
 
 		<!-- Modal -->
 		<div class="modal fade" id="linkModal" tabindex="-1" aria-labelledby="linkModalSuccess" aria-hidden="true">
 			<div class="modal-dialog modal-dialog-centered">
 				<div class="modal-content">
-					<div class="modal-header">
+					<div class="modal-header modal-toggle">
 						<h5 class="modal-title" id="linkModalTitle"></h5>
 						<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
 					</div>
-					<div class="modal-body">
+					<div class="modal-body modal-toggle">
 						<div class="raplalinkcontainer--link">
 							<p id="raplalinkcontainer--link"></p>
 						</div>
 						<p id="full-link"></p>
 					</div>
-					<div class="modal-footer">
+					<div class="modal-footer modal-toggle">
 						<button type="button" class="btn btn-secondary" id="raplalinkcontainer--closeButton" data-bs-dismiss="modal"></button>
 					</div>
 				</div>
diff --git a/scripts.js b/scripts.js
index cb9dfd9..0f0e7a1 100644
--- a/scripts.js
+++ b/scripts.js
@@ -83,6 +83,29 @@ let courseLinks = {
     'TINF20B5': {user: 'strand', file: 'TINF20B5'}
 }
 
+/**
+ * Calculates, in which semester the given course currently is
+ * @param course The course to calculate the semester for
+ * @returns {number} The number of the semester they are in
+ */
+function calculateSemester(course) {
+    let yearRegex = new RegExp('[a-zA-Z]*([0-9]{2})B[0-9]');
+
+    let match = yearRegex.exec(course);
+    let startYear = '20';
+    if (match !== null) {
+        startYear += match[1];
+    }
+
+    let currentYear = new Date().getFullYear();
+
+    let yearDifference = currentYear - startYear;
+
+    let semesters = yearDifference * 2 + 1;
+
+    return semesters;
+}
+
 /* Toggle Dark-Mode */
 
 const toggleDarkMode = () => {
@@ -95,6 +118,13 @@ const toggleDarkMode = () => {
     navElement.classList.toggle("nav--dark-mode");
     submitButton.classList.toggle("submitButton--dark-mode");
 
+    /* Dialog */
+    let modalContents = document.getElementsByClassName('modal-toggle')
+
+    for (let content of modalContents) {
+        content.classList.toggle("modal--dark-mode")
+    }
+
     if (colorModeToggleIcon.classList.contains("fa-moon")) {
         colorModeToggleIcon.classList.remove("fa-moon");
         colorModeToggleIcon.classList.add("fa-sun");
diff --git a/styles.css b/styles.css
index eb1b6d8..b87f27b 100644
--- a/styles.css
+++ b/styles.css
@@ -8,6 +8,10 @@ body {
     color: white;
 }
 
+.modal--dark-mode {
+    background-color: #222222;
+    color: white;
+}
 
 #raplalinkcontainer {
     height: 100vh;