@import url("http://hirase.wankuma.com/Script/dpSyntaxHighlighter/SyntaxHighlighter.css");

div.postbody h2 {
 border-bottom: 1px solid #ffe0e0;
}

ul li:nth-child(odd) {
 background: #ffffff;
}
ul li:nth-child(even) {
 background: #f6f6ff;
}