body{font-family:Arial,sans-serif;background-color:#000;margin:0;padding:0}.to-do-list{text-align:center;margin-top:50px}h1{font-size:4rem;color:#fff;text-align:center;margin-top:20px}button{font-size:1.7rem;padding:10px 20px;color:#fff;border:none;border-radius:5px;transition:background-color .5s ease}.add-button{background-color:#53c15c;margin-top:20px;cursor:pointer}.add-button:hover{background-color:#78ce7f}.delete-button{background-color:#dc3545;margin-left:10px;cursor:pointer}.delete-button:hover{background-color:#c82333}.move-up-button{background-color:#007bff;margin-left:10px;cursor:pointer}.move-up-button:hover{background-color:#0056b3}.move-down-button{background-color:#007bff;margin-left:10px;cursor:pointer}.move-down-button:hover{background-color:#0056b3}input[type=text]{font-size:1.5rem;padding:10px;width:300px;border:2px solid #ccc;border-radius:5px;margin-top:20px;margin-right:10px}ul{list-style-type:none}li{font-size:2rem;font-weight:700;background-color:#f7f7f7;margin-bottom:10px;padding:15px;border:1px solid #ccc;border-radius:5px;display:flex;align-items:center}.text{flex:1}