Spelling

Someone noticed this in another project that includes CyberChef

src/web/stylesheets/layout/_io.css

@@ -303,7 +303,7 @@
 
 #stale-indicator {
     opacity: 1;
-    visibility: visibile;
+    visibility: visible;
     transition: margin 0s, opacity 0.3s;
     margin-left: 5px;
     cursor: help;
@@ -316,7 +316,7 @@
 
 #magic {
     opacity: 1;
-    visibility: visibile;
+    visibility: visible;
     transition: margin 0s 0.3s, opacity 0.3s 0.3s, visibility 0.3s 0.3s;
     margin-left: 5px;
     margin-bottom: 5px;