.input textarea {
  outline: none !important;
}
.input textarea:focus {
  border-bottom: 1px solid #42a5f5;
  -webkit-box-shadow: 0 1px 0 0 #42a5f5;
  -moz-box-shadow: 0 1px 0 0 #42a5f5;
  box-shadow: 0 1px 0 0 #42a5f5;
}
.input textarea:focus ~ .label {
  color: #42a5f5;
}