#toc{border-right:solid 3px black;vertical-align:top; text-align:right;line-height:20px}
#toc a {text-decoration:none}
#content{font-color:red;}
#content img {float:left;margin:0 30px 10px 0}
#margin{width:100%}
#social{text-align:center}
table.tab {border:solid 2px}
.tab td, .tab th {border:solid 1px;padding:5px}
.tab th{background:#ccc;text-align:left}
code {background:#eee}
code {font-size:14px;white-space:pre-line}
span.promt {color:navy}
span.operator{font-weight:bold;color:blue}
span.num{color:red}
span.comment{color:navy}