Log items fade out over time

stroll.html

@@ -192,7 +192,9 @@
     <div id="log-area">
       <div class="log" id="log">
         <div>Welcome to Stroll</div>
-        <p class="version"></p>
+        <br>
+        <div class="version"></div>
+        <br>
         <div><b>This game features 18+ content</b></div>
         <div>&nbsp;</div>
       </div>

style.css

@@ -802,4 +802,22 @@ body.dark .meterLabel {
   padding-top: 6px;
   padding-bottom: 6px;
   user-select: none;
+}
+
+#log > div,
+#react-log > div {
+  animation: log-fade 10s linear;
+  animation-fill-mode: forwards;
+}
+
+@keyframes log-fade {
+  0% {
+    opacity: 1;
+  }
+  70% {
+    opacity: 1;
+  }
+  100% {
+    opacity: 0.6;
+  }
 }