The following HTML and CSS is the preamble needed to follow our tutorial on creating calendars in Python.
print '''
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN" >
<HTML >
<head >
<title >February 2007</title >
<style type="text/css" >
html, body { margin: 0; padding: 0 }
body { background-color:#060; }
#container { margin: 3em auto 0 3em; padding-bottom: 3em; background-color: #fff; }
#month { border-collapse: collapse; margin-left: 2em; }
#month th, #month td { border: 1px solid #000; }
#month thead { background-color:#9c9; }
#month td { width: 7em; height: 7em; padding: .2em; vertical-align: top; overflow: auto; }
td .day { width: 7em; height: 6em; overflow:auto; margin-top: 0; }
#month tbody .weekend { background-color:#ded; }
#month tbody .next, #month tbody .previous { background-color:#ddd; }
.rtop { display:block; background:#060; }
.rtop * { display: block; height: 1px; overflow: hidden; background:#fff; }
.r1{margin: 0 0 0 5px}
.r2{margin: 0 0 0 3px}
.r3{margin: 0 0 0 2px}
.r4{margin: 0 0 0 1px; height: 2px}
#container h1 { margin: 0 0 .5em .5em; font: 2em Arial, Helvetica, sans-serif; color: #060; }
#month th { font: 1em bold Arial, Helvetica, sans-serif; }
p {margin-top: 0; }
</style >
</head >
<body >
<div id="container" >
<b class="rtop" ><b class="r1" ></b > <b class="r2" ></b ><b class="r3" ></b > <b class="r4" ></b ></b >'''
Now our program will print our desired header with the current month and year. Return to the tutorial to see how to customise the output for each month.