made empty collapsibles invisibe

src/contents/wiki.tsx

@@ -176,49 +176,49 @@ function Troubleshooting(){
       <div id="nono" className="noshow">
         This combination returns no instances. 
       </div>
-      <div className="filterable all react type property">
+      <div className=" all react type property">
         <Collapsible title="Argument of type X is not assignable to parameter of type Y.">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react type"> 
+      <div className=" all react type"> 
         <Collapsible title="Type X is not assignable to type Y.">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all  react type property">
+      <div className=" all  react type property">
         <Collapsible title="Property x is missing in type y but required in type z.">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react type property">
+      <div className=" all react type property">
         <Collapsible title="Property x does not exist on type Y.">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react type property">
+      <div className=" all react type property">
         <Collapsible title="Type X is missing the following properties from type Y: a, b, c">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react type">
+      <div className=" all react type">
         <Collapsible title="Type 'x | undefined' is not assignable to type 'x'.">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react type">
+      <div className=" all react type">
         <Collapsible title="Type 'undefined' cannot be used as an index type">
         <h6>Example</h6>
         <h6>Solutions</h6>
         </Collapsible>
       </div>
-      <div className="filterable all react overload">
+      <div className=" all react overload">
         <Collapsible title="No overload matches this call.">
         <h6>Example</h6>
         <h6>Solutions</h6>