body{font-family:Arial;max-width:800px;margin:0 auto;padding:20px;}
li{margin-bottom:3px;}
ul{margin-top:10px;margin-bottom:10px;}
img{max-width:97%;margin:0 auto; margin-bottom:20px; margin-top:20px;border:1px solid black;}
video{max-width:97%;}
h1,h2,h3,h4{padding-top:20px;}
pre{font-family:consolas,monospace; background-color:#F0F0F0;white-space:pre-wrap;padding:10px;}
span{font-family:consolas,monospace; background-color:#F0F0F0;}
div.sourceCode{background-color:#F0F0F0;}
code{white-space:pre-wrap;font-family:consolas,monospace;background-color:#F0F0F0;padding-left:5px;padding-right:5px;}
code.sourceCode{padding-left:0;}
table, td, th {border: 1px solid; padding: 5px;}
table {border-collapse: collapse;}