body {
  font-family: Arial, sans-serif;
  margin: 30px;
  background: #ffffff;
  text-align: center;
}

h1 {
  color: #333;
}

section {
  background: rgb(34, 255, 0);
  padding: 20px;
  margin: 20px auto;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  width: 80%;
  max-width: 600px;
}

input, button {
  padding: 5px;
  margin: 5px;
}

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

li {
  background: #ffffff;
  margin: 5px 0;
  padding: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

#jam {
  font-size: 40px;
  font-weight: bold;
  color: #3300ff;
}