.responsive {
  width: 100%;
  height: auto;
  float: right;
}

 .responsive2 {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            float: left;
            margin-right: 50px;
            animation-name:RCards;
animation-duration:5s;
        }    
        
 .float-right-sm {
  background-color: yellow;
}



@media (max-width: 30px) {
  .float-right-sm {
    float: left;
  }
}