body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color: #FFFFFF;
}

h1 {
    background-color: #014638;
    color: #FFFFFF;
    padding: 20px;
}

button {
    padding: 10px 20px;
    margin: 20px;
    font-size: 16px;
    background-color: #FBFBFB;
    border: 1px solid #CCC;
    cursor: pointer;
}

button:hover {
    background-color: #EFEFEF;
}

#quiz-questions {
    margin: 20px auto;
    width: 80%;
}

#quiz-questions p {
    font-size: 18px;
    margin-bottom: 10px;
}

input[type="text"] {
    padding: 5px;
    font-size: 16px;
    width: 80%;
    margin-bottom: 20px;
}

#result-summary {
    font-size: 20px;
    margin: 20px;
}

#results {
    margin: 20px auto;
    width: 80%;
}

#results div {
    margin-bottom: 10px;
}

#results p {
    margin: 5px 0;
}

hr {
    border: 0;
    height: 1px;
    background: #CCC;
    margin: 10px 0;
}