.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 textarea {
  width: 100%;
}

.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);
}