body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #000;
    background-image: url(4.jpg);
    background-size: cover;
    background-size: 100% 100%;
    background-repeat: no-repeat;
  }
  .btn {
    padding: 8px 20px;
    border-radius: 0;
    overflow: hidden;
  }
  .btn::before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent,
        #00fffc, transparent);
    transform: translateX(-100%);
    transition: 0.6s;
  }
  .btn:hover::before {
    transform: translateX(100%);
  }
  .btn:hover {
    background: transparent;
    box-shadow: 0 0 20px 10px rgba(23, 202, 229, 0.5);
  }
  .form-input-material {
    --input-default-border-color: white;
    --input-border-bottom-color: white;
  }
  .form-input-material input {
    color: white;
  }
  .login-form {
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 40px;
    color: white;
    box-shadow: 0 0.4px 0.4px rgba(255, 255, 255, 0.5),
      0 1px 1px rgba(255, 255, 255, 0.5),
      0 2.1px 2.1px rgba(255, 255, 255, 0.5),
      0 4.4px 4.4px rgba(255, 255, 255, 0.5),
      0 12px 12px rgba(181, 192, 199, 0.5);
    border-radius: 10px;
  }
  .login-form h1 {
    margin: 0 0 24px 0;
  }
  .login-form .form-input-material {
    margin: 12px 0;
  }
  .login-form .btn {
    width: 100%;
    margin: 18px 0 9px 0;
  }