bootstrap-float-label/dist/bootstrap-float-label.css

Pure CSS implementation of Float Label pattern for Bootstrap 3.

.has-float-label {
  display: block;
  position: relative; }
  .has-float-label label, .has-float-label > span {
    position: absolute;
    left: 0;
    top: 0;
    cursor: text;
    font-size: 75%;
    opacity: 1;
    -webkit-transition: all .2s;
            transition: all .2s;
    top: -.5em;
    left: 12px;
    z-index: 3;
    line-height: 1;
    padding: 0 1px; }
    .has-float-label label::after, .has-float-label > span::after {
      content: " ";
      display: block;
      position: absolute;
      background: white;
      height: 2px;
      top: 50%;
      left: -.2em;
      right: -.2em;
      z-index: -1; }
  .has-float-label .form-control::-webkit-input-placeholder {
    opacity: 1;
    -webkit-transition: all .2s;
            transition: all .2s; }
  .has-float-label .form-control::-moz-placeholder {
    opacity: 1;
    transition: all .2s; }
  .has-float-label .form-control:-ms-input-placeholder {
    opacity: 1;
    transition: all .2s; }
  .has-float-label .form-control::placeholder {
    opacity: 1;
    -webkit-transition: all .2s;
            transition: all .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: 150%;
    opacity: .5;
    top: .3em;
    font-weight: normal; }

.input-group .has-float-label {
  display: table-cell; }
  .input-group .has-float-label .form-control {
    border-radius: 4px; }
  .input-group .has-float-label:not(:last-child) .form-control {
    border-bottom-right-radius: 0;
    border-top-right-radius: 0; }
  .input-group .has-float-label:not(:first-child) .form-control {
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
    margin-left: -1px; }