Opera scriptless attack

HTML

<div class="links-container">
    <a href="http://wikipedia.org" class="top-link" target="_blank">
        Wikipedia
    	<a href="http://podlipensky.com" class="bottom-link" target="_blank">Wikipedia
	    </a>
    </a>
</div>

CSS

.top-link {	
	position:absolute;
	z-index: 2;
	top: 0;
	left: 0;
	transition: all 3s;
	transition-delay: 1.5s;
    opacity: 0;
}

.top-link:hover {
    left: -9999px;
}

/* .top-link:active {
    left: -9999px;
} */

.bottom-link {
	position:absolute;
	z-index: 1;
	top: 0;
	left: 0;
}