@-webkit-keyframes scale {
  0% {
    -webkit-transform : scale(1);
            transform : scale(1);
    opacity : 1;
  }
  45% {
    -webkit-transform : scale(0.1);
            transform : scale(0.1);
    opacity : 0.7;
  }
  80% {
    -webkit-transform : scale(1);
            transform : scale(1);
    opacity : 1;
  }
}

@-moz-keyframes scale {
  0% {
    -moz-transform : scale(1);
         transform : scale(1);
    opacity : 1;
  }
  45% {
    -moz-transform : scale(0.1);
         transform : scale(0.1);
    opacity : 0.7;
  }
  80% {
    -moz-transform : scale(1);
         transform : scale(1);
    opacity : 1;
  }
}

@-o-keyframes scale {
  0% {
    -o-transform : scale(1);
       transform : scale(1);
    opacity : 1;
  }
  45% {
    -o-transform : scale(0.1);
       transform : scale(0.1);
    opacity : 0.7;
  }
  80% {
    -o-transform : scale(1);
       transform : scale(1);
    opacity : 1;
  }
}

@keyframes scale {
  0% {
    -webkit-transform : scale(1);
       -moz-transform : scale(1);
         -o-transform : scale(1);
            transform : scale(1);
    opacity : 1;
  }
  45% {
    -webkit-transform : scale(0.1);
       -moz-transform : scale(0.1);
         -o-transform : scale(0.1);
            transform : scale(0.1);
    opacity : 0.7;
  }
  80% {
    -webkit-transform : scale(1);
       -moz-transform : scale(1);
         -o-transform : scale(1);
            transform : scale(1);
    opacity : 1;
  }
}

.ball-pulse > div:nth-child(1) {
  -webkit-animation : scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
     -moz-animation : scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
       -o-animation : scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation : scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
}

.ball-pulse > div:nth-child(2) {
  -webkit-animation : scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
     -moz-animation : scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
       -o-animation : scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation : scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
}

.ball-pulse > div:nth-child(3) {
  -webkit-animation : scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
     -moz-animation : scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
       -o-animation : scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation : scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
}

.ball-pulse > div {
  background-color : #55595C;
  width : 15px;
  height : 15px;
  border-radius : 100%;
  margin : 2px;
  -webkit-animation-fill-mode : both;
     -moz-animation-fill-mode : both;
       -o-animation-fill-mode : both;
          animation-fill-mode : both;
  display : inline-block;
}