.leaderboard-sidebar {
    width: 200px;
    float: left;
    padding: 10px;
    border: 1px solid #ccc;
}

.leaderboard-sidebar h3 {
    font-size: 18px;
    font-weight: bold;
}

.top-ranking-users li {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.top-ranking-users li img {
    width: 50px;
    height: 50px;
    float: left;
    margin-right: 10px;
}

.top-ranking-users li h4 {
    font-size: 16px;
}

.top-ranking-users li p {
    font-size: 14px;
}

.search-filter-options input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
}

.search-filter-options select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
}

.navigation-links a {
    display: block;
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
}

.user-profile img {
    width: 100px;
    height: 100px;
    float: left;
    margin-right: 10px;
}

.user-profile h4 {
    font-size: 16px;
}

.user-profile p {
    font-size: 14px;
}

.achievements-badges h4 {
    font-size: 16px;
    font-weight: bold;
}

.achievements-badges ul li {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.achievements-badges ul li:before {
    content: "";
    float: left;
    width: 20px;
    height: 20px;
    background-color: #ccc;
    border-radius: 50%;
    margin-right: 10px;
}

.badges-badges ul li.gold {
    background-color: gold;
}

.badges-badges ul li.platinum {
    background-color: platinum;
}

.badges-badges ul li.diamond {
    background-color: diamond;
}

.featured-content h4 {
    font-size: 16px;
    font-weight: bold;
}

.featured-content h5 {
    font-size: 14px;
}

.featured-content p {
    font-size: 12px;
}

.rewards-prizes h4 {
    font-size: 16px;
    font-weight: bold;
}

.rewards-prizes p {
    font-size: 12px;
}

.social-sharing a {
    display: block;
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
}


/* 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;
}