ＣＳＳの最後に貼ってね♡
/* ----------------------------------------------------- */
/* ■ アメンバー限定記事画像変更 */
/* ----------------------------------------------------- */
.amemberEntryBtn img{
visibility:hidden;
}
.amemberEntryBtn a{
display: block;
overflow:hidden;
outline:none;
margin-left: auto;
margin-right: auto;
text-align: center;
background-image: url(http://stat.blogskin.ameba.jp/blogskin_images/20110216/16/2f/3a/p/o015001201196845731297840940772.png);
background-repeat:no-repeat;
background-position: center center;
}