.showAd125 {
    width: 125px;
    height: 125px;
    border: 2px solid red;
}

.showAd250 {
    width: 250px;
    height: 250px;
    border: 2px solid red;
    top: 170px!important;
    position: absolute;
}

/*.showLeftAd {
            top: 250px;
            left: 10px;
            margin: 2px;
        }

        .showRightAd {
            right: 10px;
            margin: 2px;
            float: right;
            position: absolute;
        }*/
.showLeftAd {
    /*top: 250px;*/
    left: 10px;
    margin: 2px;
    position: absolute;
}

.showRightAd {
    right: 10px;
    margin: 2px;
    float: right;
    position: absolute;
} 

.blink {   
  animation-duration: 400ms;
  animation-name: blink;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

@keyframes blink {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}