[CSS]半透明化。マウスオーバーすると不透明に
.block_cnt>.cboxAnchor>table>tbody>tr>td>.plurk_cnt {
opacity: 0.5;
transition: 0.5s;
transition-delay : 2s;
}
.block_cnt>.cboxAnchor>table>tbody>tr>td>.plurk_cnt:hover {
transition: 0.5s;
}