.cnblogs_code {
    background-color: #f5f5f5;
    font-family: Courier New!important;
    font-size: 18px!important;
    border: 1px solid #ccc;
    padding: 5px;
    overflow: auto;
    margin: 5px 0;
    color: #000;
}

.cnblogs_code span {
    font-family: Courier New!important;
    font-size: 18px!important;
    line-height: 1.5!important;
}