* {
  margin: 0;
  padding: 0;
  outline: 0;
  font-family: 'Open Sans', sans-serif;
}
body {
  height: 100vh;
  background-image: url(images/perpus-poliban-scaled.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.container {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 20px 25px;
  width: 300px;
  background-color: #A9A9A9;
  box-shadow: 0 0 10px rgba(255, 255, 255, .3);
}
.container h1 {
  text-align: left;
  color: #fafafa;
  margin-bottom: 30px;
  text-transform: uppercase;
  border-bottom: 4px solid white;
}
.container label {
  display: block;
  text-align: left;
  color: white;
  margin-bottom: 5px;
}
.container form input {
  width: calc(100% - 20px);
  padding: 8px 10px;
  margin-bottom: 15px;
  border: none;
  background-color: transparent;
  border-bottom: 2px solid white;
  color: #fff;
  font-size: 16px;
}
.container form button {
  width: 100%;
  padding: 8px 0;
  border: none;
  background-color: black;
  font-size: 18px;
  color: white;
  cursor: pointer;
}
.container form button:hover {
  background-color: #333;
}