#topslot_container{height:200px;display:flex;align-items:center;margin:15px 0;}

/* on mobile */
@media screen and (max-width:739px){
  #topslot_container{height:100px;overflow-y:hidden}

  /* mobile_lr (low resolution) */
  @media screen and (max-height: 550px){
    #topslot_container{height:50px;}
  }
}

/* tablet and above */
@media screen and (min-width:740px) {
  #ad_rightslot{height:250px;margin:15px 0}
  [id^="ad_mpuslot_"]{height:280px}
  
  /* tablet only */
  @media screen and (max-width:974px) {
    #topslot_container{height:90px;}
  }
}