body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f7f7f7;
    color: #333;
    margin: 40px;
    padding: 0 20px;
}

h1 {
    text-align: center;
    color: #4CAF50;
    font-size: 28px;
    margin-bottom: 10px;
}

h4 {
    text-align: center;
    color: #666;
    font-size: 18px;
    margin-bottom: 30px;
}

form {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.studentInfo, .questions {
    margin-bottom: 25px;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
    color: #333;
}

.usertxtInput, .ddlUserInput {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.usertxtInput:focus, .ddlUserInput:focus {
        border-color: #4CAF50;
        box-shadow: 0 0 5px rgba(76, 175, 80, 0.2);
        outline: none;
}

.chkUserInput, .rdbUserInut {
    margin-right: 10px;
    margin-bottom: 10px;
}

.chkAnswersChoice, .rdbAnswersChoice {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.questions {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.btnSubmit {
    width: 100%;
    padding: 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s ease;
    text-align: center;
}

    .btnSubmit:hover {
        background-color: #45a049;
    }

@media (max-width: 600px) {
    body {
        margin: 20px;
    }

    h1 {
        font-size: 24px;
    }

    h4 {
        font-size: 16px;
    }

    .btnSubmit {
        font-size: 16px;
    }
}