body {
  max-width: 940px;
}
code {
/*    background-color: #e9ecef; */
  background-color: #f6f8fa;
}
pre {
    padding: 0.25rem;
    overflow: auto;
/*    font-size: 87.5%; */
    line-height: 1.45;
    color: #212529;
    background-color: #f6f8fa;
/*    background-color: #e9ecef; */
    margin-bottom: 1rem; 
}