@import url(https://fonts.googleapis.com/css?family=Roboto);

body, textarea {
  font-family: 'Roboto', sans-serif;
  box-sizing: border-box;
}

textarea::after,
textarea::before
{
  box-sizing: border-box;
}

.form-group {
  position: relative;
  margin-top: 2.25rem;
  margin-bottom: 2.25rem;
}

.form-inline > .form-group,
.form-inline > .btn {
  display: inline-block;
  margin-bottom: 0;
}

.form-help {
  margin-top: 0.125rem;
  margin-left: 0.125rem;
  color: #b3b3b3;
  font-size: 0.8rem;
}
 .form-group .form-help {
  position: absolute;
  width: 100%;
}

.form-group textarea {
  resize: none;
}

.form-group .control-label {
  position: absolute;
  top: 0.25rem;
  pointer-events: none;
  padding-left: 0.125rem;
  z-index: 1;
  color: #b3b3b3;
  font-size: 1rem;
  font-weight: normal;
  -webkit-transition: all 0.28s ease;
  transition: all 0.28s ease;
}
.form-group .bar {
  position: relative;
  border-bottom: 0.0625rem solid #999;
  display: block;
}
.form-group .bar::before {
  content: '';
  height: 0.125rem;
  width: 0;
  left: 50%;
  bottom: -0.0625rem;
  position: absolute;
  background: #337ab7;
  -webkit-transition: left 0.28s ease, width 0.28s ease;
  transition: left 0.28s ease, width 0.28s ease;
  z-index: 2;
}

.form-group textarea {
  display: block;
  background: none;
  padding: 0.125rem 0.125rem 0.0625rem;
  font-size: 1rem;
  border-width: 0;
  border-color: transparent;
  line-height: 1.9;
  width: 100%;
  color: transparent;
  -webkit-transition: all 0.28s ease;
  transition: all 0.28s ease;
  box-shadow: none;
}


.form-group textarea:focus,
.form-group textarea:valid,
.form-group textarea.form-file,
.form-group textarea.has-value {
  color: #333;
}

.form-group textarea:focus ~ .control-label,
.form-group textarea:valid ~ .control-label,
.form-group textarea.form-file ~ .control-label,
.form-group textarea.has-value ~ .control-label {
  font-size: 0.8rem;
  color: gray;
  top: -1rem;
  left: 0;
}

.form-group textarea:focus {
  outline: none;
}

.form-group textarea:focus ~ .control-label {
  color: #337ab7;
}

.form-group textarea:focus ~ .bar::before {
  width: 100%;
  left: 0;
}