.instruction {
  font-size: 13px;
  font-weight: 600;
  color: green;
}
.required {
  font-size: 13px;
  color: #d00;
}
.error {
  font-size: 11px;
  font-weight: 600;
  color: #d00;
  letter-spacing: 1px;
  background-color: transparent;
}
.has-float-label {
  display: block;
  position: relative;
}
.has-float-label label,
.has-float-label > span {
  position: absolute;
  cursor: text;
  font-size: 75%;
  opacity: 1;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
  top: -0.5em;
  right: 0.75rem;
  z-index: 3;
  line-height: 1;
  padding: 0 2px;
}
.has-float-label label::after,
.has-float-label > span::after {
  content: " ";
  display: block;
  position: absolute;
  height: 2px;
  top: 50%;
  right: -0.2em;
  right: -0.2em;
  z-index: -1;
}
.has-float-label .form-control::-webkit-input-placeholder {
  opacity: 1;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.has-float-label .form-control::-moz-placeholder {
  opacity: 1;
  transition: all 0.2s;
}
.has-float-label .form-control:-ms-input-placeholder {
  opacity: 1;
  transition: all 0.2s;
}
.has-float-label .form-control::placeholder {
  opacity: 1;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.has-float-label
  .form-control:placeholder-shown:not(:focus)::-webkit-input-placeholder {
  opacity: 0;
}
.has-float-label .form-control:placeholder-shown:not(:focus)::-moz-placeholder {
  opacity: 0;
}
.has-float-label
  .form-control:placeholder-shown:not(:focus):-ms-input-placeholder {
  opacity: 0;
}
.has-float-label .form-control:placeholder-shown:not(:focus)::placeholder {
  opacity: 0;
}
.has-float-label .form-control:placeholder-shown:not(:focus) + * {
  font-size: 100%;
  opacity: 1;
  top: 0.8em;
}
.input-group .has-float-label {
  -webkit-box-flex: 1;
  -webkit-flex-grow: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  margin-bottom: 0;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.has-float-label .form-control:placeholder-shown:not(:focus) + * {
  margin-top: 6px;
}