can't block an ad on Yahoo

[OldMan]

I can't block this:

<div class="mbad-header clrfix" data-csc="https://beap.gemini.yahoo.com/mbcsc?bv= ... $(AD_POSN)" id="31618966954" data-pos="1"> <div class="grapic" id="yui_3_15_0_1_1453436155929_912"><a href="https://beap.gemini.yahoo.com/mbclk?bv= ... gHM-%26lp=" title="Banks Are Worried Homeowners Will Do This" target="_blank" data-rapid_p="16"><img src="https://s.yimg.com/av/curveball/ads/pr/ ... 6e9f8.jpeg" alt="Banks Are Worried Homeowners Will Do This" style="display: none !important;"></a></div> <div class="mb-contenttrue" id="yui_3_15_0_1_1453436155929_875"> <div class="title fs-15"> <a href="https://beap.gemini.yahoo.com/mbclk?bv= ... gHM-%26lp=" target="_blank" data-rapid_p="17"> <u></u> Banks Are Worried Homeowners Will Do This </a> </div> <div class="fc-body-text" id="yui_3_15_0_1_1453436155929_874">Before you pay your mortgage this month, you should see this. Banks across the country feel cheated by homeowners who use this smart home payoff plan.</div> <cite class="ad-src-info" id="yui_3_15_0_1_1453436155929_878"> <span class="source-name" id="yui_3_15_0_1_1453436155929_877"><a href="http://comparisons.org/the-home-refinan ... &pub=check" target="_blank" id="yui_3_15_0_1_1453436155929_876" data-rapid_p="18">Refinance.Comparisons.org</a></span> <span class="timestamp fc-timestamp" id="yui_3_15_0_1_1453436155929_911">Sponsored</span> </cite> </div> </div>

[mapx]

where's placed ?
Did you try the in firefox / chrome ?