.cpp-pdf-wrapper {
    margin-bottom: 25px;
    padding: 20px;
    border: 2px solid #0073aa;
    border-radius: 10px;
    background-color: #f4faff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    max-width: 900px;
    width: 95%;
    margin: 0 auto 25px auto;
    position: relative;
    z-index: 1000;
    clear: both;
    display: block;
}

.cpp-pdf-item {
    margin-bottom: 15px;
    text-align: center;
}

.cpp-pdf-title {
    font-size: 20px;
    font-weight: bold;
    color: #222;
    margin-bottom: 15px;
    line-height: 1.4;
    text-align: center;
}

.cpp-download-btn {
    display: inline-block;
    background-color: #0073aa;
    color: #fff;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.cpp-download-btn:hover {
    background-color: #005a87;
}

.cpp-download-btn:active {
    transform: translateY(1px);
}