/*********************************************************/                                                                           
/* hamburger css stuff for mobile device                 */                                                                           
/*********************************************************/ 

/* Base positioning */
.dropdown {
  position: relative;
  display: inline-block;
}

/* Hide the default browser arrow icon */
summary {
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker {
  display: none; /* Safari fix */
}

/* Position and hide the menu by default */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  border: 1px solid #ccc;
  padding: 10px;
  margin: 0;
  list-style: none;
}