/* Spinner styles */
   .spinner {
       border: 4px solid rgba(0, 0, 0, 0.1);
       width: 24px;
       height: 24px;
       border-radius: 50%;
       border-left-color: #09f;
       animation: spin 1s linear infinite;
       display: inline-block;
   }

   @keyframes spin {
       to {
           transform: rotate(360deg);
       }
   }

   /* Success message styles */
   #altMessage {
       color: green;
       margin-top: 10px;
       display: none;
   }

   #customAltButton {
       float: right;
       margin-right: 10px;
       margin-top: 4px;
       margin-bottom: 10px;
       background-color: #f66e3c;
       border: none;
       padding-block: 4px !important;
       border-radius: 8px !important;
       padding-inline: 12px !important;
       font-size: 12px !important;
   }