body {
  font-family: Arial, sans-serif;
  background-color: #f7f7f7;
  margin: 0;
  padding: 20px;
}
h1 {
  text-align: center;
  color: #333;
}
ul {
  max-width: 600px;
  margin: 0 auto;
  padding: 0;
  list-style-type: none;
}
li {
  background-color: #fff;
  margin: 10px 0;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}
button {
  background-color: #e74c3c;
  border: none;
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
}
input[type="text"] {
  width: 70%;
  padding: 10px;
  font-size: 1em;
  border-radius: 5px;
  border: 1px solid #ccc;
}
.add-form {
  text-align: center;
  margin-bottom: 30px;
}
.add-form button {
  background-color: #2ecc71;
}