@keyframes bnda{ 0%,100%{background-position:0 0;} 50%{background-position:0 100%;} 0%,47%,57%,100%{background-size:150px 200px;} 50%{background-size:150px 25px;} } .bnd{ width:150px; height:230px; background-image:url("https://cdn-ak.f.st…