.amazon-auto-links-button-2723 { display: block; margin-right: auto; margin-left: auto; position: relative; width: 148px; height: 79px; transform: scale(0.98); } .amazon-auto-links-button-2723:hover { transform: scale(1.0); } .amazon-auto-links-button-2723 > img { height: unset; max-width: 100%; max-height: 100%; margin-right: auto; margin-left: auto; display: block; position: absolute; top: 50%; left: 50%; -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%); } .amazon-auto-links-button-2723 > img:hover { filter: alpha(opacity=70); opacity: 0.7; }