body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #b1d8e2; margin: 30px; padding: 50px; display: flex; align-items: 20px ; justify-content: center; height: 100vh; }
.container { text-align: center; background-color: #fff; padding: 20px; border-radius: 10px; box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
h1 { color: #3498db; }
.input-container { margin-bottom: 20px; }
input { padding: 10px; font-size: 16px; border: 1px solid #ccc; border-radius: 5px; width: 60%; margin-left: 10px; }
button { padding: 12px 20px; font-size: 16px; background-color: #3498db; color: #fff; border: none; border-radius: 5px; cursor: pointer; transition: background-color 0.3s ease; }
button:hover { background-color: #2980b9; }
ul { list-style-type: none; padding: 0; }
li { background-color: #eff3d2; margin: 15px; padding: 20px; border-radius: 50px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 0 15px rgba(0, 0, 0, 0.1); transition: background-color 0.3s ease; }
li:hover { background-color: #ffe9a1; }
.checkbox { margin-right: 10px; }
.delete-btn { background-color: #e74c3c; color: #fff; border: none; padding: 3px 3px; cursor: pointer; border-radius: 3px; transition: background-color 0.3s ease; }
.delete-btn:hover { background-color: #c0392b; }