/* https://cdn.rawgit.com/tonystar/bootstrap-float-label/v3.0.1/dist/bootstrap-float-label.min.css */
    .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 .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: #fff;
        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: 100%;
        opacity: .5;
        top: .8em;
        font-weight: 400
    }

    .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
    }