*,:before,:after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Open Sans', Helvetica, Arial, sans-serif;
      background: #000033;
    }
    input,button {
      border: none;
      outline: none;
      background: none;
      font-family: 'Open Sans', Helvetica, Arial, sans-serif;
    }
    .tip {
      font-size: 20px;
      margin: 40px auto 50px;
      text-align: center;
    }
    .cont {
      border-radius: 20px;
      overflow: hidden;
      position: relative;
      width: 900px;
      height: 550px;
      margin: 0 auto 100px;
      background: #fff;
      box-shadow: 0 0 15px rgba(255, 255, 255, 0.3), 0 0 15px rgba(70, 70, 70, 0.15), inset 0 0 15px rgba(255, 255, 255, 0.3), inset 0 0 15px rgba(70, 70, 70, 0.15);
    }
    .form {
      position: relative;
      width: 640px;
      height: 100%;
      transition: transform 1.2s ease-in-out;
      padding: 50px 30px 0;
    }
    .sub-cont {
      overflow: hidden;
      position: absolute;
      left: 640px;
      top: 0;
      width: 900px;
      height: 100%;
      padding-left: 260px;
      background: #fff;
      transition: transform 1.2s ease-in-out;
    }
    .cont.s--signup .sub-cont {
      transform: translate3d(-640px, 0, 0);
    }
    button {
      display: block;
      margin: 0 auto;
      width: 260px;
      height: 36px;
      border-radius: 30px;
      color: #fff;
      font-size: 15px;
      cursor: pointer;
    }
    .img {
      overflow: hidden;
      z-index: 2;
      position: absolute;
      left: 0;
      top: 0;
      width: 260px;
      height: 100%;
      padding-top: 360px;
    }
    .img:before {
      content: '';
      position: absolute;
      right: 0;
      top: 0;
      width: 900px;
      height: 100%;
      background-image: url("ext.jpg");
      opacity: .8;
      background-size: cover;
      transition: transform 1.2s ease-in-out;
    }
    .img:after {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: rgba(19, 232, 233, 0.6);
    }
    .cont.s--signup .img:before {
      transform: translate3d(640px, 0, 0);
    }
    .img__text {
      z-index: 2;
      position: absolute;
      left: 0;
      top: 50px;
      width: 100%;
      padding: 0 20px;
      text-align: center;
      color: #fff;
      transition: transform 1.2s ease-in-out;
    }
    .img__text h2 {
      margin-bottom: 10px;
      font-weight: normal;
    }
    .img__text p {
      font-size: 14px;
      line-height: 1.5;
    }
    .cont.s--signup .img__text.m--up {
      transform: translateX(520px);
    }
    .img__text.m--in {
      transform: translateX(-520px);
    }
    .cont.s--signup .img__text.m--in {
      transform: translateX(0);
    }
    .img__btn {
      overflow: hidden;
      z-index: 2;
      position: relative;
      width: 100px;
      height: 36px;
      margin: 0 auto;
      background: transparent;
      color: #000033;
      text-transform: uppercase;
      font-size: 15px;
      cursor: pointer;
    }
    .img__btn:after {
      content: '';
      z-index: 2;
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      border: 2px solid #000033;
      border-radius: 30px;
    }
    .img__btn span {
      position: absolute;
      left: 0;
      top: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      height: 100%;
      transition: transform 1.2s;
    }
    .img__btn span.m--in {
      transform: translateY(-72px);
    }
    .cont.s--signup .img__btn span.m--in {
      transform: translateY(0);
    }
    .cont.s--signup .img__btn span.m--up {
      transform: translateY(72px);
    }
    h2 {
      width: 100%;
      font-size: 26px;
      text-align: center;
    }
    label {
      display: block;
      width: 260px;
      margin: 25px auto 0;
      text-align: center;
    }
    label span {
      font-size: 12px;
      color: #cfcfcf;
      text-transform: uppercase;
    }
    input {
      display: block;
      width: 100%;
      margin-top: 5px;
      padding-bottom: 5px;
      font-size: 16px;
      border-bottom: 1px solid rgba(0, 0, 0, 0.4);
      text-align: center;
    }
    .forgot-pass {
      margin-top: 15px;
      text-align: center;
      font-size: 12px;
      color: #cfcfcf;
    }
    .forgot-pass-form {
      display: none;
    }
    .submit {
      margin-top: 40px;
      margin-bottom: 20px;
      background: #000033;
      text-transform: uppercase;
    }
    .fb-btn {
      border: 2px solid #d3dae9;
      color: #8fa1c7;
    }
    .fb-btn span {
      font-weight: bold;
      color: #455a81;
    }
    .sign-in {
      transition-timing-function: ease-out;
    }
    .cont.s--signup .sign-in {
      transition-timing-function: ease-in-out;
      transition-duration: 1.2s;
      transform: translate3d(640px, 0, 0);
    }
    .sign-up {
      transform: translate3d(-900px, 0, 0);
    }
    .cont.s--signup .sign-up {
      transform: translate3d(0, 0, 0);
    }
    /* Mobile styles */
    @media (max-width: 480px) {
      .cont {
        width: 100%;
        height: auto;
        margin: 0;
        padding: 0;
        border-radius: 0;
        box-shadow: none;
      }
      .form {
        width: 100%;
        padding: 10px;
      }
      .sub-cont {
        width: 100%;
        padding-left: 0;
      }
      .img {
        width: 100%;
        height: auto;
        padding: 0;
        margin: 0;
        object-fit: fill;
      }
      .img__text {
        top: 10px;
      }
      .img__btn {
        width: 80px;
        height: 30px;
      }
      label {
        width: 100%;
      }
      input {
        width: 100%;
      }
      button {
        width: 80%;
      }
    }