.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;
  }
  .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: inherit;
    padding-top: 1em;
    margin-bottom: 2px;
    border: 0;
    border-radius: 0;
    border-bottom: 2px solid rgba(0, 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:placeholder-shown:not(:focus)::-webkit-input-placeholder, .has-float-label select:placeholder-shown:not(:focus)::-webkit-input-placeholder, .has-float-label textarea:placeholder-shown:not(:focus)::-webkit-input-placeholder {
    opacity: 0;
  }
  .has-float-label input:placeholder-shown:not(:focus)::-moz-placeholder, .has-float-label select:placeholder-shown:not(:focus)::-moz-placeholder, .has-float-label textarea:placeholder-shown:not(:focus)::-moz-placeholder {
    opacity: 0;
  }
  .has-float-label input:placeholder-shown:not(:focus):-ms-input-placeholder, .has-float-label select:placeholder-shown:not(:focus):-ms-input-placeholder, .has-float-label textarea:placeholder-shown:not(:focus):-ms-input-placeholder {
    opacity: 0;
  }
  .has-float-label input:placeholder-shown:not(:focus)::placeholder, .has-float-label select:placeholder-shown:not(:focus)::placeholder, .has-float-label textarea:placeholder-shown:not(:focus)::placeholder {
    opacity: 0;
  }
  .has-float-label input:placeholder-shown:not(:focus) + *, .has-float-label select:placeholder-shown:not(:focus) + *, .has-float-label textarea:placeholder-shown:not(:focus) + * {
    font-size: 150%;
    opacity: .5;
    top: .25em;
  }
  .has-float-label input:focus, .has-float-label select:focus, .has-float-label textarea:focus {
    outline: none;
    border-color: rgba(0, 0, 0, 0.5);
  }
  .has-float-label select {
    padding-right: 1em;
    background: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23333' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.5em bottom 0.25em;
    background-size: 8px 10px;
  }