.child {
 display : none;
}
div.cover {
width: 640px;
margin: 0 auto;
text-align: center;
height:21px;
}
.parent {
border: 1px solid #e3e3e3;
background:#ebebeb url(http://kekkonnsoudann.com/adtemplate/img/ad.gif) no-repeat 5px 2px;
line-height:23px;
height:23px;
}
.cover h2 {
font-weight: normal;
font-size: 10px;
line-height:9px;
text-align: left;
}
.cover h2 a {
color: #000;
text-decoration: none;
padding:0 0 0 90px;
display:block;
}
.cover h2 a:hover {
text-decoration: underline;
}