.a{background-color:#ffffe0;font-size: 80%;line-height: 200%;padding:10px;}
.i{color:#000000; background-image: url(http://why.kenji.ne.jp/bgstone.jpg);}
a:link{color:#0000ff;}
a:visited {color:#8000ff;}
a:active{color:#a0a0ff;}
a:hover{color:#ff0000;}
.tate{writing-mode: tb-rl; text-underline-position:below; height:100%; width: 100%; line-height:150%; padding:10px;overflow-x:scroll;font-family:monospace;}
.yoko{writing-mode: lr-tb; text-underline-position:below; line-height:150%; padding:10px;font-family:monospace;}