.gm-style-iw {
    color: #666;
}
.gm-style-iw h2 a {
  font-size:16px;
  line-height:16px;
}
.gm-style-iw h2  {
  font-size:16px;
  line-height:16px;
}
.gm-style-iw h3, .gm-style-iw h3 a {
  font-size:12px;
}