.sub-btn {
  width: 100%;
  border: none;
  background: #092a52;
  color: #ffffff;
  text-align: center;
  cursor: pointer;
  margin: 20px 0 0px;
  letter-spacing: 2px;
  padding: 12px 25px;
  display: block;
  text-transform: uppercase;
  transition: 0.4s;
  -webkit-transition: 0.4s;
  -ms-transition: 0.4s;
}

.form--error {
  border-color: red !important;
}

#form {
  position: relative;
}

.thanks {
  display: none;
  position: absolute;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  left: 0;
  top: 0;
}

.thanks-ok {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.thanks__text {
  font-size: 150%;
}

@media (max-width: 430px) {
  .thanks__text {
    font-size: 15px;
  }
}