chore(config-checker): style tweaks

Author: Dragory

config-checker/index.html

@@ -19,7 +19,7 @@ <h1>Config</h1>
         </div>
       </div>
 
-      <div class="section" style="flex: 0 0 max(300px, 40vh)">
+      <div class="section" style="flex: 0 0 min(300px, 40vh)">
         <div class="title">
           <h1>Errors</h1>
         </div>