Fix statblock opacity

The built version of the app wound up with 1% opacity
for everything. Changing from percentages to a decimal
fixed the issue.

src/components/Statblock.vue

@@ -242,27 +242,27 @@ a {
 
 .statblock[data-eaten] .statblock-shader-eaten {
   background: green;
-  opacity: 35%;
+  opacity: 0.35;
 }
 
 .statblock[data-active] .statblock-shader-selected {
   background: white;
-  opacity: 15%;
+  opacity: 0.15;
 }
 
 .statblock[data-active-ally] .statblock-shader-selected-ally {
   background: #88f;
-  opacity: 20%;
+  opacity: 0.20;
 }
 
 .statblock[data-dead] .statblock-shader-dead {
   background: red;
-  opacity: 50%;
+  opacity: 0.50;
 }
 
 .statblock:hover .statblock-shader-hover {
   background: white;
-  opacity: 20%;
+  opacity: 0.20;
 }
 
 .statblock[data-active] .if-not-selected {