h1 {text-align:center; color: #364e96;/*文字色*/ border: solid 3px #364e96;/*線色*/ padding: 0.5em;/*文字周りの余白*/ border-radius: 0.5em;/*角丸*/} li {font-size:150%;} ul li dl{ margin-top: 0; margin-bottom: 0; } p{font-size:150%;} h3:before { content: counter(number) "." counter(section); } h3 { counter-increment: section; } h2:before { content: counter(number) "."; } h2 { counter-increment: number; } body{background-color:linen;}