.rakuten {
 text-align:center;
 margin:20px auto 20px auto;
 max-width:300px;
 text-align:center;
 padding:10px;
 background-color:#CC0000;
 margin-right:auto;
 margin-left:auto;
 border-radius:5px;
  -webkit-border-radius:5px;
  -moz-border-radius:5px;
 font-weight:bold;
 color:#FFFFFF !important;
}
.rakuten a {
  text-decoration:none !important;
  color:#FFFFFF !important;
  display:block;
}