JSFiddle - React, Tailwind, and code Playground

by Prajeesh_PR

HTML

<label class="has-float-label">
  <input type = "text" id="first_name" name="fname"                       autofocus="autofocus" required>
  <span> FIRST NAME </span>
</label>

CSS

.has-float-label {
  display: block;
  position: relative;
}

.has-float-label label,
.has-float-label>span {
  color: grey;
  position: absolute;
  left: 0;
  top: 0;
  cursor: text;
  font-size: 120%;
  opacity: 1;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.has-float-label select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.has-float-label textarea {
  width: 100%;
}

.has-float-label input,
.has-float-label select,
.has-float-label textarea {
  font-size: 15px;
  font-weight: normal !important;
  padding-top: 1.3em;
  margin-bottom: 2px;
  border: 0;
  height: 45px;
  border-radius: 0;
  border-bottom: 2px solid rgba(0, 0, 0, .1);
}

.has-float-label input::-webkit-input-placeholder,
.has-float-label select::-webkit-input-placeholder,
.has-float-label textarea::-webkit-input-placeholder {
  opacity: 1;
  -webkit-transition: all .2s;
  transition: all .2s;
}

.has-float-label input::-moz-placeholder,
.has-float-label select::-moz-placeholder,
.has-float-label textarea::-moz-placeholder {
  opacity: 1;
  transition: all .2s;
}

.has-float-label input:-ms-input-placeholder,
.has-float-label select:-ms-input-placeholder,
.has-float-label textarea:-ms-input-placeholder {
  opacity: 1;
  transition: all .2s;
}

.has-float-label input::placeholder,
.has-float-label select::placeholder,
.has-float-label textarea::placeholder {
  opacity: 1;
  -webkit-transition: all .2s;
  transition: all .2s;
}

.has-float-label input:invalid:not(:focus)::-webkit-input-placeholder,
.has-float-label select:invalid:not(:focus)::-webkit-input-placeholder,
.has-float-label textarea:invalid:not(:focus)::-webkit-input-placeholder {
  opacity: 0;
}

.has-float-label input:invalid:not(:focus)::-moz-placeholder,
.has-float-label select:invalid:not(:focus)::-moz-placeholder,
.has-float-label textarea:invalid:not(:focus)::-moz-placeholder {
  opacity: 0;
}

.has-float-label input:invalid:not(:focus):-ms-input-placeholder,
.has-float-label...