summary::-webkit-details-marker {
    color: #00ACF3;
    font-size: 125%;
    margin-right: 2px;
   }
summary {
    padding: 10px;
    border: 2px solid #FFB700;
    border-radius: 10px;
    color: white;
}
   summary:focus {
       outline-style: none;
   }
   article > details > summary {
       font-size: 28px;
   }
  
   details details {
       margin-left: 36px;
   }
   details details summary {
       font-size: 16px;
   }

   @media (max-width: 500px) {
    article > details > summary {
        font-size: 20px;
    } 
   }

   #coll li {
       padding-top: 15px;
       color: white;
   }