body{
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: black;
}

.form {
  position: relative;
  display: block;
  padding: 2.2rem;
  max-width: 350px;
  background: linear-gradient(
      14deg,
      rgba(2, 0, 36, 0.8) 0%,
      rgba(24, 24, 65, 0.7) 66%,
      rgb(20, 76, 99) 100%
    ),
    radial-gradient(
      circle,
      rgba(2, 0, 36, 0.5) 0%,
      rgba(32, 15, 53, 0.2) 65%,
      rgba(14, 29, 28, 0.9) 100%
    );
  border: 2px solid #fff;
  -webkit-box-shadow: rgba(0, 212, 255) 0px 0px 50px -15px;
  box-shadow: rgba(0, 212, 255) 0px 0px 50px -15px;
  overflow: hidden;
  z-index: +1;
  border-radius: 8px;
}

/*------input and submit section-------*/

.input-container {
  position: relative;
}

.input-container input,
.form button {
  outline: none;
  border: 2px solid #ffffff;
  margin: 8px 0;
  font-family: monospace;
  border-radius: 4px;
}

.input-container input {
  background-color: #fff;
  padding: 6px;
  font-size: 0.875rem;
  line-height: 1.25rem;
  width: 250px;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.input-mail:focus::placeholder {
  opacity: 0;
  transition: opacity 0.9s;
}

.input-pwd:focus::placeholder {
  opacity: 0;
  transition: opacity 0.9s;
}

.submit {
  position: relative;
  display: block;
  padding: 8px;
  background: linear-gradient(90deg, #243949 0%, #517fa4 100%);
  color: #ffffff;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  width: 100%;
  text-transform: uppercase;
  overflow: hidden;
}

.submit:hover {
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
  box-shadow: 4px 5px 17px -4px #ffffff;
  cursor: pointer;
}

.submit:hover::before {
  -webkit-animation: sh02 0.5s 0s linear;
  -moz-animation: sh02 0.5s 0s linear;
  animation: sh02 0.5s 0s linear;
}

.submit::before {
  content: "";
  display: block;
  width: 0px;
  height: 85%;
  position: absolute;
  top: 50%;
  left: 0%;
  opacity: 0;
  background: #fff;
  box-shadow: 0 0 50px 30px #fff;
  -webkit-transform: skewX(-20deg);
  -moz-transform: skewX(-20deg);
  -ms-transform: skewX(-20deg);
  -o-transform: skewX(-20deg);
  transform: skewX(-20deg);
}

@keyframes sh02 {
  from {
    opacity: 0;
    left: 0%;
  }

  50% {
    opacity: 1;
  }

  to {
    opacity: 0;
    left: 100%;
  }
}

/*--------signup section---------*/

.signup-link {
  color: #c0c0c0;
  font-size: 0.875rem;
  line-height: 1.25rem;
  text-align: center;
  font-family: monospace;
}

.signup-link a {
  color: #fff;
  text-decoration: none;
}

.up:hover {
  text-decoration: underline;
}

/*--------header section-----------*/

.form-title {
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-family: monospace;
  font-weight: 600;
  text-align: center;
  color: #fff;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.7);
  animation-duration: 1.5s;
  overflow: hidden;
  transition: 0.12s;
}

.form-title span {
  animation: flickering 2s linear infinite both;
}

.title-2 {
  display: block;
  margin-top: -0.5rem;
  font-size: 2.1rem;
  font-weight: 800;
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  -webkit-text-stroke: #fff 0.1rem;
  letter-spacing: 0.2rem;
  color: transparent;
  position: relative;
  text-shadow: 0px 0px 16px #cecece;
}

.title-2 span::before,
.title-2 span::after {
  content: "—";
}

@keyframes flickering {
  0%,
  100% {
    opacity: 1;
  }

  41.99% {
    opacity: 1;
  }

  42% {
    opacity: 0;
  }

  43% {
    opacity: 0;
  }

  43.01% {
    opacity: 1;
  }

  47.99% {
    opacity: 1;
  }

  48% {
    opacity: 0;
  }

  49% {
    opacity: 0;
  }

  49.01% {
    opacity: 1;
  }
}

/*---------shooting stars-----------*/

.bg-stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-size: cover;
  animation: animateBg 50s linear infinite;
}

@keyframes animateBg {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }
}

.star {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1),
    0 0 0 8px rgba(255, 255, 255, 0.1), 0 0 20px rgba(255, 255, 255, 0.1);
  animation: animate 3s linear infinite;
}

.star::before {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 300px;
  height: 1px;
  background: linear-gradient(90deg, #fff, transparent);
}

@keyframes animate {
  0% {
    transform: rotate(315deg) translateX(0);
    opacity: 1;
  }

  70% {
    opacity: 1;
  }

  100% {
    transform: rotate(315deg) translateX(-1000px);
    opacity: 0;
  }
}

.star:nth-child(1) {
  top: 0;
  right: 0;
  left: initial;
  animation-delay: 0s;
  animation-duration: 1s;
}

.star:nth-child(2) {
  top: 0;
  right: 100px;
  left: initial;
  animation-delay: 0.2s;
  animation-duration: 3s;
}

.star:nth-child(3) {
  top: 0;
  right: 220px;
  left: initial;
  animation-delay: 2.75s;
  animation-duration: 2.75s;
}

.star:nth-child(4) {
  top: 0;
  right: -220px;
  left: initial;
  animation-delay: 1.6s;
  animation-duration: 1.6s;
}