body {
  background: url("https://img.gejiba.com/images/49b67ae692f8301aab215137be47dfc1.png");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  height: 100vh;
  position: relative;
}
input {
  outline: none;
  border: none;
}
.central {
  margin: 0 auto;
}
.center {
  margin: 0 auto;
}
.card {
  margin: 5rem auto;
  padding: 2rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: #ffffff1f;
  box-shadow: 0 8px 12px #ebedf0;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid rgba(208, 206, 206, 0.4) !important;
}
.card h1 {
  font-size: 3rem;
  text-align: center;
  display: block;
  line-height: 6rem;
  margin-bottom: 4rem;
  border-radius: 0.2rem;
  border-bottom: 0.4rem solid #fff;
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
}
.form_wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}
.form_wrap span {
  width: 15%;
  display: block;
  color: #333;
  font-size: 1.5rem;
  text-align: right;
  font-family: 'Noto Serif SC', serif;
  font-weight: 400;
}
.form_wrap input {
  width: 60%;
  margin: 2em 0;
  font-size: 1.2rem;
  padding: 1rem 3rem;
  box-shadow: 0 6px 10px #e9e9e9;
  border-radius: 2rem;
  border: 2px solid rgba(208, 206, 206, 0.4) !important;
  font-family: 'Noto Serif SC', serif;
  font-weight: 400;
}
.form_wrap #btn {
  width: 30%;
  background: #000;
  color: #fff;
}
.form_wrap #btn:hover {
  opacity: 0.7;
  cursor: pointer;
}