.md-content {
    margin: auto;
    max-width: 600px;
}

.md-content h4 {
    margin: 0;
}

.md-content ul {
    padding: 0 20px;
}

.md-content blockquote {
    border-left: 5px solid #e8e8e8;
    padding-left: 10px;
    margin-left: 0;
}

.md-content img {
    width: 100%;
}