.button-ia {
  text-decoration: none;
  display: inline-block;
  position: relative;
  text-align: center;
  color: #00c7ec;
  border: 1px solid #00c7ec;
  border-radius: 5px;
  line-height: 2em;
  padding-left: 10px;
  padding-right: 10px;
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}

.button-ia:hover {
  color: white;
  box-shadow: 0 0 30px 0 rgba(0, 199, 236, 0.5);
  background-color: #00c7ec;
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
}

.group {
  position: relative;
  margin: 10px 0px 30px 0px;
}

.input_sth {
  background: none;
  color: #ffffff;
  font-size: 18px;
  padding: 10px 10px 10px 5px;
  display: block;
  width: 100%;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

.input_sth:focus {
  outline: none;
  border-bottom: 1px solid #ffffff;
}

.input_sth:focus~label,
.input_sth:valid~label {
  top: -14px;
  font-size: 12px;
  color: #ffffff;
}

.input_sth:focus~.bar:before {
  width: 100%;
}

input[type=password] {
  letter-spacing: 0.3em;
}

.label_sth {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  font-weight: normal;
  position: absolute;
  pointer-events: none;
  left: 5px;
  top: 10px;
  transition: 300ms ease all;
}

.label_sth i {
  margin-right: 6px;
}

.astronauta {
  animation: flotar 5s infinite alternate;
}

@keyframes flotar {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(0);
  }
}