body::before{
    position: fixed;
    background: url(../../img/bg.jpg) center center no-repeat;
    background-size: cover;

    content: '';
    height: 100%;
    top: 0;
    left: 0;
    will-change: transform;
    z-index: -1;
    width: 100%;
  }




.form-control {
    color: #fff;
    border: solid rgba(248, 249, 250, 0.01);
    border-radius: 5px;
    background-color: rgba(0,0,0,.4);
    box-shadow: none;
}
.form-control:focus {
    box-shadow: none;
    border-color: #4db1a7;
    background: rgba(0,0,0,.5);
}