.sikaku_small3{
float:left;
border: 1px solid #ff3333;
padding: 5px 5px 5px 5px;
margin-top: 5px;
margin-bottom:5px;
margin-left: 10%;
margin-right: 0%;
}
.clear {
clear:both;
height:0;
line-height:0;
visibility:hidden;
}