body{
            font-family: Arial;
            background:#f4f6f9;
            padding:20px;
        }
        h1{
            text-align:center;
        }
        form{
            background:white;
            padding:15px;
            margin-bottom:20px;
            border-radius:8px;
        }
        input, select, button{
            padding:8px;
            margin:5px;
        }
        table{
            width:100%;
            border-collapse:collapse;
            background:white;
        }
        th, td{
            border:1px solid #ddd;
            padding:8px;
            text-align:center;
        }
        th{
            background:#007bff;
            color:white;
        }
        button{
            cursor:pointer;
        }