Update clock.css

trying to fix issue with aspect ratio

Author: sambensim

clock/clock.css

@@ -7,6 +7,14 @@ html, body {
   align-items: center;
 }
 
+#canvasContainer {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  width: 100%;
+  height: 100%;
+}
+
 canvas {
-  
+  display: block;
 }