Disable YouTube link on Youtube player

Disable YouTube link on Youtube player

<style type="text/css">
.top{
    height: 29px;
    position: absolute;
    width: 341px;
    z-index: 9999;}
.bottom{
    height: 30px;
    position: absolute;
    width: 341px;
    z-index: 9999;}
</style>

<div class="top"></div>

<div>
<iframe width="420" height="315" src="https://www.youtube.com/embed/YumqYlm43tQ?autoplay=1" frameborder="0" allowfullscreen></iframe>
</div>

<div class="bottom"></div>