frappe/public/css/typeahead.css

.typeahead,
.tt-query,
.tt-hint {
}

.tt-hint {
  color: #999;
}

.tt-dropdown-menu {
  width: 100%;
  margin-top: 3px;
  padding: 3px 0;
  background-color: #fff;
  border: 1px solid #ccc;
  border: 1px solid rgba(0, 0, 0, 0.2);
  -webkit-border-radius: 8px;
     -moz-border-radius: 8px;
          border-radius: 8px;
  -webkit-box-shadow: 0 5px 10px rgba(0,0,0,.2);
     -moz-box-shadow: 0 5px 10px rgba(0,0,0,.2);
          box-shadow: 0 5px 10px rgba(0,0,0,.2);
}

.tt-suggestion {
  padding: 3px 20px;
}

.tt-suggestion.tt-is-under-cursor {
  color: #fff;
  background-color: #0097cf;
}

.tt-suggestion.tt-is-under-cursor .text-muted {
  color: #ddd;
}

.input-group input.tt-query {
	border-top-left-radius: 4px !important;
	border-bottom-left-radius: 4px !important;	
}

.tt-suggestion p {
  margin: 0;
}