*,
*:before,
*:after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  background: #2aff23;
}

form {
  background-color: #202020;
  height: 450px;
  width: 400px;
  position: absolute;
  margin: auto;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  border-radius: 14px;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.35);
  padding: 0 50px;
}

form * {
  border: none;
  outline: none;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
}

input {
  display: block;
  height: 2px;
  width: 300px;
  position: absolute;
  background-color: #4d4d4d;
  color: #ffffff;
  padding: 0 15px;
  font-weight: 300;
  border-radius: 8px;
  transition: 0.5s all;
}

label {
  display: inline-block;
  color: #e5e5e5;
  cursor: pointer;
  font-size: 12px;
  position: absolute;
  transition: 0.5s all;
}

#username {
  bottom: 305px;
}

label[for="username"] {
  bottom: 310px;
}

#password {
  bottom: 195px;
}

label[for="password"] {
  bottom: 200px;
}

::placeholder {
  color: transparent;
}

.my-style::placeholder {
  color: #a5a5a5;
}

button {
  width: 300px;
  position: absolute;
  bottom: 75px;
  padding: 15px 0;
  background-color: #2aff23;
  color: #000000;
  border-radius: 8px;
}