footer {
  position: absolute;
  bottom: 5%;
  left: 0;
  width: 100%;
  text-align: center;
  font-family: Arial, sans-serif;
}
footer a {
  color: #E91E63;
}

.love {
  position: absolute;
  left: 50%;
  width: 200px;
  height: 200px;
  margin-left: -100px;
  z-index:-1;
}
.love:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: #E91E63;
  -webkit-animation: outer-circle 5s infinite linear;
          animation: outer-circle 5s infinite linear;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
}
.love:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: #000;
  -webkit-animation: inner-circle 5s infinite linear;
          animation: inner-circle 5s infinite linear;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
}

.fa-heart {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #E91E63;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  z-index: 99;
}
.fa-heart:before {
  opacity: 0;
  -webkit-animation: small-heart 5s infinite linear;
          animation: small-heart 5s infinite linear;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
}
.fa-heart:after {
  content: '\f004';
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  -webkit-animation: big-heart 5s infinite linear;
          animation: big-heart 5s infinite linear;
}

@-webkit-keyframes outer-circle {
  2% {
    opacity: 1;
  }
  9% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
  12% {
    width: 190px;
    height: 190px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
    opacity: 0;
  }
  100% {
    width: 190px;
    height: 190px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
    opacity: 0;
  }
}

@keyframes outer-circle {
  2% {
    opacity: 1;
  }
  9% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
  12% {
    width: 190px;
    height: 190px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
    opacity: 0;
  }
  100% {
    width: 190px;
    height: 190px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
    opacity: 0;
  }
}
@-webkit-keyframes inner-circle {
  10% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
  100% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
}
@keyframes inner-circle {
  10% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
  100% {
    width: 200px;
    height: 200px;
    -webkit-transform: translateX(-50%) translateY(-50%);
            transform: translateX(-50%) translateY(-50%);
  }
}
@-webkit-keyframes big-heart {
  0% {
    font-size: 0;
    opacity: .6;
  }
  3% {
    font-size: 0;
    opacity: .6;
  }
  13% {
    font-size: 133.33333px;
    opacity: 0;
  }
  100% {
    font-size: 133.33333px;
    opacity: 0;
  }
}
@keyframes big-heart {
  0% {
    font-size: 0;
    opacity: .6;
  }
  3% {
    font-size: 0;
    opacity: .6;
  }
  13% {
    font-size: 133.33333px;
    opacity: 0;
  }
  100% {
    font-size: 133.33333px;
    opacity: 0;
  }
}
@-webkit-keyframes small-heart {
  0% {
    font-size: 0;
    opacity: 0;
  }
  10% {
    font-size: 50px;
    opacity: 1;
  }
  15% {
    font-size: 28.57143px;
  }
  20% {
    font-size: 40px;
  }
  25% {
    font-size: 28.57143px;
  }
  30% {
    font-size: 33.33333px;
  }
  35% {
    font-size: 28.57143px;
  }
  60% {
    font-size: 28.57143px;
  }
  65% {
    font-size: 40px;
  }
  70% {
    font-size: 28.57143px;
  }
  75% {
    font-size: 33.33333px;
  }
  80% {
    color: #E91E63;
    font-size: 28.57143px;
  }
  100% {
    font-size: 28.57143px;
    color: #999;
    opacity: 1;
  }
}
@keyframes small-heart {
  0% {
    font-size: 0;
    opacity: 0;
  }
  10% {
    font-size: 50px;
    opacity: 1;
  }
  15% {
    font-size: 28.57143px;
  }
  20% {
    font-size: 40px;
  }
  25% {
    font-size: 28.57143px;
  }
  30% {
    font-size: 33.33333px;
  }
  35% {
    font-size: 28.57143px;
  }
  60% {
    font-size: 28.57143px;
  }
  65% {
    font-size: 40px;
  }
  70% {
    font-size: 28.57143px;
  }
  75% {
    font-size: 33.33333px;
  }
  80% {
    color: #E91E63;
    font-size: 28.57143px;
  }
  100% {
    font-size: 28.57143px;
    color: #999;
    opacity: 1;
  }
}
@-webkit-keyframes to-grey {
  0% {
    color: #E91E63;
  }
  100% {
    color: #e8e8e8;
  }
}
@keyframes to-grey {
  0% {
    color: #E91E63;
  }
  100% {
    color: #e8e8e8;
  }
}

.center { text-align: center; }