body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.tabs {
    list-style-type: none;
    padding: 0;
    margin: 20px 0 0;
    display: flex;
}

.tabs li {
    cursor: pointer;
    padding: 10px 20px;
    background-color: #eee;
    border-radius: 4px 4px 0 0;
    margin-right: 5px;
    color: #555;
}

.tabs li.active {
    background-color: #fff;
    border-bottom: 2px solid #007bff;
    color: #007bff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

ul.list {
    list-style-type: none;
    padding: 0;
}

ul.list li {
    margin-bottom: 10px;
}

ul.list li a {
    color: #007bff;
    text-decoration: none;
}

ul.list li a:hover {
    text-decoration: underline;
}