diff --git a/Klausur.html b/Klausur.html
index dc27b59..d23d8f8 100644
--- a/Klausur.html
+++ b/Klausur.html
@@ -22,7 +22,13 @@
 			<h1 align="center" id="titleh1">Klausurhelfer</h1>
 		</div>
 		<div id="clock_div">
-			<progress style="width: 100vw;height: 3vh; background-color: #fff;" value="0" max="100" id="timebar">&nbsp;</progress>
+			<progress style="width: 100vw;height: 3vh; background-color: #fff; top:0; left:0;" value="0" max="100" id="timebar">&nbsp;</progress>
+			<!-- 25%, 50% and 75% markers -->
+			<ul style="list-style: none; top:0; left:0; position: absolute; margin:0; padding:0">
+				<li style="left: calc(25vw - 2.5px); top: 0; list-style: none; position: absolute; height: 3vh; width:5px; background-color: #0ff8;" />
+				<li style="left: calc(50vw - 2.5px); top: 0; list-style: none; position: absolute; height: 3vh; width:5px; background-color: #0ff8;" />
+				<li style="left: calc(75vw - 2.5px); top: 0; list-style: none; position: absolute; height: 3vh; width:5px; background-color: #0ff8;" />
+			</ul>
 			<h1 id="clock" class="time" style="text-align: center">...</h1>
 		</div>
 		<div id="left">
@@ -558,6 +564,7 @@
 				grid-area: 2 / 1 / span 1 / span 2;
 				text-align: center;
 				font-weight: 600;
+				position: relative;
 			}
 			
 			#clock {