body {
            font-family: sans-serif;
            background-color: #ffde59;
        }

        h1 {
            text-align: center;
            color: #000;
            margin-bottom: 20px;
        }

        form {
            background-color: #ffffff;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            margin: 0 auto;
            max-width: 400px;
        }

        form input {
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 20px;
            width: 90%;
            margin-bottom: 20px;
            padding-right: -50px;
            transition: border-color 0.4s ease-in-out;
        }

        form input:hover {
            border-color: #000;
        }

        label {
            display: block;
            margin-bottom: 5px;
        }

        button {
            background-color: #ffde59;
            color: #000;
            padding: 10px 20px;
            border: 2px solid;
            border-color: #ffde59;
            border-radius: 3px;
            cursor: pointer;
            transition: background-color 0.1s ease, border-color 0.1s ease-in-out;
        }

        button:hover {
            border-color: #000;
            cursor: pointer;
        }

        button:active {
            background-color: #ffffff;
            border-color: #fff
        }

        button:active:after {
            background-color: #ff0500;
            border-color: #fff transition: 0.5s
        }

        button:disabled {
            opacity: 0.6;
            cursor: default;
            font-weight: none;
        }

        button:disabled:hover {
            opacity: 0.6;
            cursor: default;
            font-weight: none;
            background-color: #ffde59;
            border: 2px solid;
            border-color: #ffde59;
            border-radius: 3px;
        }

        #feeResult {
            text-align: center;
            margin-top: 10px;
            font-weight: 500;
            white-space: nowrap;
        }

        #perHeadFeeResult {
            text-align: center;
            margin-top: 10px;
        }

        #discountShowoff {
            text-align: center;
            margin-top: 10px;
            font-weight: bold;
            font-size: 20px;
        }

        #totalFee {
            text-align: center;
            margin-top: 10px;
            font-weight: bold;
            font-size: 18px;
        }