body {
    font-family: Arial, sans-serif;
}

h1 {
    display: flex;
    justify-content: center;
    align-items: center;
}

img {
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 img {
    height: 50px;
    margin-left: auto;
    margin-right: 10px;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th {
    text-align: left;
    padding: 8px;
}

td {
    padding: 8px;
}

label {
    margin-left: 10px;
}

input[type="radio"] {
    margin-right: 5px;
}

.page {
    display: none;
}

.question {
    margin-bottom: 20px;
}

.navigation-buttons {
    margin-top: 20px;
}