#contact-form .send-ms {
  font-size: 14px;
  color: white;
  display: none;
  background-color: green;
}
#contact-form .loading {
  background: #fff;
  text-align: center;
  padding: 15px;
  display: none;
}

#contact-form .loading:before {
  content: "";
  display: inline-block;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  margin: 0 10px -6px 0;
  border: 3px solid #18d26e;
  border-top-color: #eee;
  -webkit-animation: animate-loading 1s linear infinite;
  animation: animate-loading 1s linear infinite;
}
@-webkit-keyframes animate-loading {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes animate-loading {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}