.codearea{
    line-height: 1.8;
    font-family: Menlo,Monaco,Consolas,Courier,monospace;
    font-size: 12px;
    padding: 18px 24px;
    background-color: #fafafa;
    border: 1px solid #eaeefb;
    margin-bottom: 25px;
    border-radius: 4px;
    -webkit-font-smoothing: auto;
    display: block;
    overflow-x: auto;
    padding: 0.5em;
    background: #fff;
}
.codearea span{
    display: block;
}