.normal   { color: #33c; font-weight: bold; font-size: 16px; line-height: 20px; font-family: Arial, Helvetica, sans-serif }
.normal_sw  { font-size: 16px; line-height: 20px; font-family: Arial, Helvetica, sans-serif }
.mark { color: #900; font-weight: bold; font-size: 16px; line-height: 20px; font-family: Arial, Helvetica, sans-serif }
.head  { font-size: 28px; line-height: 32px; margin-bottom: 5px; display: block }
a  { color: #900 }
a:visited { color: #900 }
a:hover { color: #c00 }