body {
  font-family: sans-serif;
  margin: 20px;
  padding: 0;
  background-color: #f3f3f3;
}

.container {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

textarea {
  width: 100%;
  height: 100px;
  margin-bottom: 10px;
  padding: 10px;
  font-size: 16px;
  resize: none;
}

button {
  padding: 10px 15px;
  font-size: 16px;
  margin-right: 10px;
  cursor: pointer;
}

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

li {
  background: #e0e0e0;
  margin: 5px 0;
  padding: 10px;
  border-radius: 4px;
  position: relative;
}

.delete-btn {
  position: absolute;
  right: 10px;
  top: 10px;
  background: red;
  color: white;
  border: none;
  padding: 5px;
  cursor: pointer;
}

@media (max-width: 600px) {
  .container {
    padding: 15px;
  }
  textarea {
    height: 80px;
  }
}