/* Formulário para contato */
form {
  height: 100%;
  width: 25rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.label-float {
  position: relative;
  padding-top: 1rem;
}

.label-float input, .label-float textarea {
  transition: all .3s ease-out;
  border-radius: 0;
  width: 100%;
  padding: 0.5rem 0;
  font-size: 1em;
  margin-bottom: 2rem;
  border: none;
  border-bottom: 0.1rem solid black;
  outline: none;
  background: transparent;
}

.label-float input:focus, .label-float textarea:focus {
  border-bottom: 0.1rem solid purple;
}

.label-float input::placeholder, .label-float textarea::placeholder {
  color: transparent;
}

.label-float label {
  pointer-events: none;
  color: black;
  position: absolute;
  top: 0;
  left: 0;
  font-size: .9em;
  margin-top: 1.6rem;
  transition: all .3s ease-out;
  -webkit-transition: all .3s ease-out;
  -moz-transition: all .3s ease-out;
}

.label-float input:focus + label,
.label-float input:not(:placeholder-shown) + label {
  font-size: .9em;
  margin-top: 0;
  color: purple;
  font-weight: bold;
}

.label-float textarea:focus + label,
.label-float textarea:not(:placeholder-shown) + label {
  font-size: .9em;
  margin-top: 0;
  color: purple;
  font-weight: bold;
}