body {
  font-family: sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f0f0f0; 
  background-image: url('images/LightBlueImage.jpg'); 
  background-size: cover;
  background-position: center center;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  max-width: 500px;
  background-color: rgba(255, 255, 255, 0.8); 
  padding: 40px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

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

li {
  margin-bottom: 5px;
  display: flex;
  align-items: center;
}

input[type="checkbox"] {
  margin-right: 10px;
}

.completed {
  text-decoration: line-through;
  color: #888;
}

.delete-btn {
  background-color: #f44336;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  margin-left: auto; 
}