body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: "Jost", sans-serif;
  background: linear-gradient(to bottom, #0f0c29, #302b63, #24243e);
}

.main {
  width: 350px;
  height: 500px;
  background: red;
  overflow: hidden;
  background: url("../img/1.jpg") no-repeat center / cover;
  border-radius: 10px;
  box-shadow: 5px 20px 50px #000;
}

#chk {
  display: none;
}

.login {
  position: relative;
  width: 100%;
  height: 100%;
}
.login img {
  width: 80px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: -50px;
  border-radius: 5px;
}
label {
  color: #fff;
  font-size: 2.3em;
  justify-content: center;
  display: flex;
  margin: 60px;
  font-weight: bold;
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
  cursor: pointer;
  transition: 0.8s ease-in-out;
}

input {
  width: 60%;
  height: 20px;
  background: #e0dede;
  justify-content: center;
  display: flex;
  margin: 20px auto;
  padding: 10px;
  border: none;
  outline: none;
  border-radius: 5px;
}

button {
  width: 60%;
  height: 40px;
  margin: 10px auto;
  justify-content: center;
  display: block;
  color: #fff;
  background: #573b8a;
  font-size: 1em;
  font-weight: bold;
  margin-top: 20px;
  outline: none;
  border: none;
  border-radius: 5px;
  transition: 0.2s ease-in;
  cursor: pointer;
}

button:hover {
  background: #6d44b8;
}

.admin {
  height: 460px;
  background: #eee;
  border-radius: 60% / 10%;
  transform: translateY(-180px);
  transition: 0.8s ease-in-out;
}

.admin label {
  color: #573b8a;
  transform: scale(0.6);
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
}
.admin img {
  width: 80px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: -50px;
  border-radius: 5px;
}
#chk:checked ~ .admin {
  transform: translateY(-500px);
}

#chk:checked ~ .admin label {
  transform: scale(1);
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
}
#chk:checked ~ .login {
  transform: scale(0.6);
}