Added missing css declaration.

src/main/resources/templates/script.ftl

@@ -123,6 +123,12 @@
             input.latex {
                 background-image: url("data:image/svg+xml;charset=UTF-8,%3c?xml version='1.0' encoding='UTF-8' standalone='no'?%3e%3csvg xmlns='http://www.w3.org/2000/svg' version='1.1' height='568.88px' width='588.42px'%3e%3cpath style='fill:black; stroke:none' d='M 10.499686,177.03840 L 31.174931,178.56990 C 52.615925,154.32116 61.039171,82.595924 187.38789,96.634671 C 182.79339,403.95560 48.021426,436.37234 56.444675,499.41907 C 59.507674,535.15406 87.840417,557.10556 118.47041,558.38181 C 215.21014,555.06356 210.87089,424.63084 240.99038,95.868921 L 365.80760,95.868921 C 359.17110,211.75239 341.04836,327.63586 339.00636,441.22208 C 340.53786,516.77606 386.48285,557.10556 446.97708,557.61606 C 546.52456,560.93431 577.92030,444.79558 577.92030,395.27709 L 556.47931,395.27710 C 554.43731,436.11709 534.78306,465.47083 492.92207,467.25758 C 378.82535,468.78908 441.61683,266.63113 442.38258,97.400421 L 577.92030,98.166171 L 577.15455,11.636437 C 13.807491,8.9075799 85.312284,-2.1366151 10.499686,177.03840 z' /%3e%3c/svg%3e ");
             }
+
+            tr.marked {
+                transition-duration:2s;
+                background-color:#FFA500;
+                color:#000;
+            }
         -->
         </style>
         <noscript>