/* "Search" button styles */
button.ecwid-search-widget__btn {
  width: 20px;
  /* change width as needed*/
  height: 10px;
  /* change height as needed*/
  border: solid 1px #ffffff;
  /*change border color */
  background: transparent url(image/button_search.png) no-repeat bottom center !important;
  /*add background image*/
}