.trumbowyg-symbol-\&nbsp-dropdown-button {
  display: none !important;
}

.trumbowyg-symbol-\&nbsp-dropdown-button + button {
  clear: both;
}

.trumbowyg-dropdown-specialChars {
  width: 248px;
  padding: 5px 3px 3px;
}

.trumbowyg-dropdown-specialChars button {
  display: block;
  position: relative;
  float: left;
  height: 26px;
  width: 26px;
  padding: 0;
  margin: 2px;
  line-height: 24px;
  text-align: center;
}
.trumbowyg-dropdown-specialChars button:hover::after, .trumbowyg-dropdown-specialChars button:focus::after {
  display: block;
  position: absolute;
  top: -5px;
  left: -5px;
  height: 27px;
  width: 27px;
  background: inherit;
  box-shadow: #000 0 0 2px;
  z-index: 10;
  background-color: transparent;
}

.trumbowyg .specialChars {
  width: 22px;
  height: 22px;
  display: inline-block;
}