body {
  font-family: Arial;
  margin: 40px auto;
  width: 320px;
  text-align: center;
  background: url('skorcelsi.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

input {
  padding: 5px;
  width: 70%;
  border-radius: 5px;
  border: none;
}

button {
  padding: 5px 10px;
  margin-left: 5px;
  border: none;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.8);
  font-weight: bold;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  background: rgba(0, 0, 0, 0.5);
  padding: 8px;
  margin: 5px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 5px;
}

.hapus {
  background: red;
  color: white;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 3px;
}