<!doctype html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>Flex Items</title><link rel="stylesheet" href="c/examples.css"/>
  <style contenteditable>
  .calendar {
    counter-reset: calendar;
    flex-direction: column;
    width: 75%;
    margin: auto;
  }
  .calendar, 
  .calendar ul,
  .calendar ol {
    text-align: center;
    display: flex;
    list-style-type: none;
    margin: 0; padding: 0;
    outline: 1px solid white;
  }

  .calendar ol {
    flex-wrap: wrap;
  }
  .calendar ol:before,
  .