Add pets for tiers 4-6.

web/src/styles.css

@@ -931,7 +931,7 @@ h3 {
   animation: rock-fly-left 700ms ease-in forwards;
 }
 
-@keyframes eat-pop {
+@keyframes fx-pop {
   0% {
     opacity: 0;
     transform: translate(-50%, 6px) scale(0.6);
@@ -946,7 +946,7 @@ h3 {
   }
 }
 
-.eat-pop {
+.fx-pop {
   position: absolute;
   top: 0;
   left: 50%;
@@ -954,9 +954,14 @@ h3 {
   font-size: 1rem;
   color: #7be495;
   text-shadow: 0 2px 0 rgba(0, 0, 0, 0.5);
-  animation: eat-pop 1000ms ease forwards;
+  animation: fx-pop 1000ms ease forwards;
   pointer-events: none;
   z-index: 5;
+  white-space: nowrap;
+}
+
+.mill-pop .card {
+  filter: grayscale(1);
 }
 
 @keyframes clash-left {