#blogTitle h1 a::before {
            content: ' ';
            display:inline-block;
            background-image: url(https://images.cnblogs.com/cnblogs_com/luobingheng/986558/o_465854main_PIA12659_full.jpg);
            background-size:150px;
            width:150px;
            height:150px;
            border-radius: 50%;
        }
blockquote {
    background: #eee;
    border-radius: 10px;
}
code {

    color: green;
}