Beating Heart Animation on Hover

Beating Heart Animation on Hover.sass

#smiley-love
  #smiley
    &-blush
      display: none
  a
    display: inline-block
    &:hover
      #smiley
        transform: scale(1.1)
        transform-origin: center
        -webkit-animation: heartbeat 1.5s ease-in-out infinite both
        animation: heartbeat 1.5s ease-in-out infinite both
        &-blush
          display: inherit
        &-eye-left
          transform-origin: center
          transform: scale(.7) translate(-8px)
        &-eye-right
          transform-origin: center
          transform: scale(.7) translate(8px)
        &-mouth
          transform: translateY(-22px) scale(1.6)
          transform-origin: center

/* ----------------------------------------------
 * animation heartbeat
 * Generated by Animista on 2019-3-24 18:51:13
 * w: http://animista.net, t: @cssanimista
 * ---------------------------------------------- */

@-webkit-keyframes heartbeat
  from
    -webkit-transform: scale(1)
            transform: scale(1)
    -webkit-transform-origin: center center
            transform-origin: center center
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out
  10%
    -webkit-transform: scale(0.91)
            transform: scale(0.91)
    -webkit-animation-timing-function: ease-in
            animation-timing-function: ease-in
  17%
    -webkit-transform: scale(0.98)
            transform: scale(0.98)
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out
  33%
    -webkit-transform: scale(0.87)
            transform: scale(0.87)
    -webkit-animation-timing-function: ease-in
            animation-timing-function: ease-in
  45%
    -webkit-transform: scale(1)
            transform: scale(1)
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out
@keyframes heartbeat
  from
    -webkit-transform: scale(1)
            transform: scale(1)
    -webkit-transform-origin: center center
            transform-origin: center center
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out
  10%
    -webkit-transform: scale(0.91)
            transform: scale(0.91)
    -webkit-animation-timing-function: ease-in
            animation-timing-function: ease-in
  17%
    -webkit-transform: scale(0.98)
            transform: scale(0.98)
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out
  33%
    -webkit-transform: scale(0.87)
            transform: scale(0.87)
    -webkit-animation-timing-function: ease-in
            animation-timing-function: ease-in
  45%
    -webkit-transform: scale(1)
            transform: scale(1)
    -webkit-animation-timing-function: ease-out
            animation-timing-function: ease-out