演習（2）解答例

《style.css》

@charset "UTF-8";

/* reset */
html, body, div, h1, h2, h3, p, ul, li {
  margin: 0;
  padding: 0;
  line-height: 1.0;
  font-family:
    "Hiragino Kaku Gothic ProN",
    Meiryo,
    sans-serif;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
img {
  border: none;
  vertical-align: bottom;
}

/* font-size */
html { font-size: 62.5%; }  /* =10px */
body { font-size: 16px; font-size: 1.6rem; }  /* =16px */
h1 { font-size: 24px; font-size: 2.4rem; }
h2 { font-size: 20px; font-size: 2.0rem; }
h3 { font-size: 16px; font-size: 1.6rem; }
p { font-size: 14px; font-size: 1.4rem; }
ul { font-size: 14px; font-size: 1.4rem; }

/* body */
body {
  background: #FFF;
  color: #333;
  line-height: 1.5;
  background: url(img/bg.gif) repeat-y center top;
}

/* layout */
#container {
  width: 600px;
  margin: 0 auto;
}
#header {
  margin-bottom: 30px;
  text-align: center;
}
#content {
  margin-bottom: 20px;
  padding: 0 20px;
}

/* #header */
#header h1 {
  margin-bottom: 20px;
}
#header h2 {
  margin-bottom: 10px;
}
#header p {
  text-align: left;
  margin-left: 48px; margin-left: 4.8rem;
  line-height: 1.5;
}

/* #content */
#content h3 {
  margin-bottom: 10px;
}
#content p {
  line-height: 1.5;
  text-indent: 14px; text-indent: 1.4rem;
  margin-bottom: 25px;
  margin-left: 30px; margin-left: 3.0rem;
}
#content ul {
  margin-bottom: 25px;
  padding-left: 16px; padding-left: 1.6rem;
}
#content li {
  margin-bottom: 6px;
  margin-left: 14px; margin-left: 1.4rem;
  text-indent: -1.4rem;
  line-height: 1.5;
}
#content h2 {
  text-align: center;
  margin-bottom: 10px;
}
#content p.center {
  margin-left: 0;
  text-align: center;
}