html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: linear-gradient(#141e30, #243b55);
  color: #fff;
}

.login-box {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  padding: 40px;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
  border-radius: 10px;
}

.login-box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}
.login-box .user-box label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: 0.5s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label {
  top: -20px;
  left: 0;
  color: #b8b8b8;
  font-size: 12px;
}

.login-box form button {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #b8b8b8;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: 0.5s;
  margin-top: 30px;
  letter-spacing: 4px;
  display: flex;
  justify-content: center;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
}

.login-box .btn-glow:hover {
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  border-radius: 5px;
}

.logo-wrapper {
  padding: 1.56rem 0;
  text-align: center;
}

.logo-wrapper .logo {
  height: 100px;
}

.logo-wrapper a img {
  width: 200px;
}

.error-wrapper {
    background: rgb(255 0 0 / 15%);
    padding: 15px;
    font-size: 0.8em;
}