* {
  margin: 0;
  padding: 0;
  outline: 0;
  font-family: 'Open Sans', sans-serif;
  box-sizing: border-box;
}

body {
  height: 100vh;
  background-image: url(images/IMG.webp);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;  /* posisi horizontal tengah */
  align-items: center;      /* posisi vertikal tengah */
}

.container {
  width: 320px;
  background-color: rgba(169, 169, 169, 0.9);
  padding: 25px 30px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(255, 255, 255, .3);
  text-align: center; /* semua teks di tengah */
}

.container h1 {
  color: #fafafa;
  margin-bottom: 25px;
  text-transform: uppercase;
  border-bottom: 3px solid white;
  display: inline-block;
  padding-bottom: 5px;
}

.container label {
  display: block;
  color: white;
  font-size: 16px;
  margin-bottom: 8px;
  text-align: center; /* label di tengah */
}

.container form input {
  width: 90%;
  padding: 10px;
  margin-bottom: 15px;
  border: none;
  background-color: transparent;
  border-bottom: 2px solid white;
  color: #fff;
  font-size: 16px;
  text-align: center; /* teks input di tengah */
}

.container form button {
  width: 100%;
  padding: 8px 0;
  border: none;
  background-color: black;
  font-size: 18px;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.3s;
}

.container form button:hover {
  background-color: #333;
}