.cf7md-admin-customize-message {

}
.cf7md-hide-customize-message {
  text-decoration: none;
  box-shadow: none;
  display: inline-block;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  font-size: 16px;
  background: #888;
  color: #FFF;
  border-radius: 100%;
  vertical-align: middle;
}