.sponsored {
    width: 300px;
    margin: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.advertisement {
    width: 200px;
    margin: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.ad-image {
    width: 100%;
    max-width: 100px;
    height: auto;
}

.text-link {
    margin-top: 10px;
    width: 60%;
}

.text-link h3 {
    font-size: 18px;
    font-weight: bold;
}

.text-link p {
    font-size: 14px;
    line-height: 1.5;
}

/* for quiz-question-left and leaderboard sidebars */

.featured-content .user-image {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    float: left;
    margin-right: 10px;
}

.featured-content .username {
    font-size: 16px;
    font-weight: bold;
}

/* forms in questions */

/* Hide the default checkbox */
.form-check-input[type="checkbox"] {
    display: none;
}

/* Customize the appearance of the checkbox */
.form-check-input[type="checkbox"]+.form-check-label:before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #fff;
    border: 1px solid #ccc;
    margin-right: 5px;
    vertical-align: middle;
}

/* Style the checkbox when checked */
.form-check-input[type="checkbox"]:checked+.form-check-label:before {
    background-color: #007bff;
}

/* Style the label text */
.form-check-label {
    cursor: pointer;
}