* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 1rem;
    color: #222;
    background: #fff;
}
header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom:1rem;
}
header h1 a {
    color:#111;
    text-decoration:none;
}
nav a {
    margin-right:12px;
    color:#0066cc;
}
article {
    margin-bottom:2rem;
}
h2, h3 {
    margin:1.4rem 0 0.8rem;
}
p {
    margin-bottom:1rem;
}
ul,ol {
    padding-left:1.6rem;
    margin-bottom:1rem;
}
pre {
    background:#1e1e1e;
    color:#ddd;
    padding:1rem;
    overflow-x:auto;
    border-radius:4px;
    margin:1rem 0;
}
code {
    font-family:Consolas,monospace;
}
a {
    color:#0066cc;
}
.ads-block {
    border:1px dashed #ccc;
    padding:1rem;
    margin:2rem 0;
    text-align:center;
}
.post-list li {
    margin-bottom:0.8rem;
    list-style:none;
}
.post-date {
    color:#666;
    font-size:0.9rem;
}
footer {
    margin-top:4rem;
    padding-top:1rem;
    border-top:1px solid #eee;
    color:#666;
    font-size:0.9rem;
}