.button {
  display: inline-block;
  position: relative;
}
.button.is-play {
  background-color: #fff;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    position: absolute;
    top: -15%;
    left: 0;
    z-index: 999;
    right: 0;
    bottom: 0;
    margin: auto;
}
.button.is-play .button-outer-circle {
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  width: 100%;
}
.button.is-play .button-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.button.is-play .button-icon .triangle {
  -webkit-animation: fadeIn 7s ease;
          animation: fadeIn 7s ease;
}
.button.is-play .button-icon .path {
  stroke-dasharray: 90;
  stroke-dashoffset: 0;
  -webkit-animation: triangleStroke 3s;
          animation: triangleStroke 3s;
  -webkit-animation-timing-function: ease;
          animation-timing-function: ease;
}
.has-scale-animation {
  -webkit-animation: smallScale 3s infinite;
          animation: smallScale 3s infinite;
}
.has-delay-short {
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
}
@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@-webkit-keyframes triangleStroke {
  from {
    stroke-dashoffset: 90;
  }
  to {
    stroke-dashoffset: 0;
  }
}
@keyframes triangleStroke {
  from {
    stroke-dashoffset: 90;
  }
  to {
    stroke-dashoffset: 0;
  }
}
@-webkit-keyframes smallScale {
  from {
    -webkit-transform: scale(1);
            transform: scale(1);
    opacity: 1;
  }
  to {
    -webkit-transform: scale(1.5);
            transform: scale(1.5);
    opacity: 0;
  }
}
@keyframes smallScale {
  from {
    -webkit-transform: scale(1);
            transform: scale(1);
    opacity: 1;
  }
  to {
    -webkit-transform: scale(1.5);
            transform: scale(1.5);
    opacity: 0;
  }
}