div.heartxxxxxxxxxx.heart top 0 bottom 0 left 0 right 0 margin auto vertical-align middle position fixed display inline-block width 18px height 18px background transparent &::after,&::before content "" position absolute background #fe4556 width 50% height 75% border-top-left-radius 50% border-top-right-radius 50% border-bottom-left-radius 30% border-bottom-right-radius 30% top 7% &::before left 16% background #fe4556 transform rotate(-45deg) &::after right 16% transform rotate(45deg) &:hover animation: pop .5s infinite@keyframes pop 0% transform scale(1) 75% transform scale(3) 100% transform scale(1)