.play-btn {
  width: 94px;
  height: 94px;
  background: radial-gradient(rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.2) 52%);
  border-radius: 50%;
  display: block;
  position: absolute;
  left: calc(50% - 47px);
  top: calc(50% - 47px);
  overflow: hidden;
}

  .play-btn::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-40%) translateY(-50%);
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid #fff;
  z-index: 100;
  transition: all 400ms cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

  .play-btn::before {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
  -webkit-animation: pulsate-btn 2s;
  animation: pulsate-btn 2s;
  -webkit-animation-direction: forwards;
  animation-direction: forwards;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
  -webkit-animation-timing-function: steps;
  animation-timing-function: steps;
  opacity: 1;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.3);
  top: -15%;
  left: -15%;
  background: rgba(198, 16, 0, 0);
}

  .play-btn:hover::after {
  border-left: 15px solid #333;
  transform: scale(20);
}

  .play-btn:hover::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-40%) translateY(-50%);
  width: 0;
  height: 0;
  border: none;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid #fff;
  z-index: 200;
  -webkit-animation: none;
  animation: none;
  border-radius: 0;
}

@-webkit-keyframes pulsate-btn {
  0% {
    transform: scale(0.6, 0.6);
    opacity: 1;
  }
  100% {
    transform: scale(1, 1);
    opacity: 0;
  }
}

@keyframes pulsate-btn {
  0% {
    transform: scale(0.6, 0.6);
    opacity: 1;
  }
  100% {
    transform: scale(1, 1);
    opacity: 0;
  }
}



 
.video-button {
    color: #ffffff;
    border: none;
    text-align: center;
}

.video-button:hover {
    color: #ffffff;
}

.video-button i {
    line-height: 70px;
    font-size: 36px;
    margin-left: 8px;
    color: #ffffff; display:inline-block
}

.video-button {
    width: 70px;
    height: 70px;
    z-index: 1;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    background: -webkit-linear-gradient(169deg, #0984D6 0%, #0fa0ff 100%);
    align-items: center;
    justify-content: center;
}

.video-button::before, .video-button::after {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    border-radius: 74px;
    background: -webkit-linear-gradient(169deg, #0984D6 0%, #0fa0ff 100%);
    opacity: 0.15;
    z-index: -10;
}

.video-button::before {
    z-index: -10;
    -webkit-animation: inner-ripple 2000ms linear infinite;
    -moz-animation: inner-ripple 2000ms linear infinite;
    animation: inner-ripple 2000ms linear infinite;
}

.video-button::after {
    z-index: -10;
    -webkit-animation: outer-ripple 2000ms linear infinite;
    -moz-animation: outer-ripple 2000ms linear infinite;
    animation: outer-ripple 2000ms linear infinite;
}

.video-button i {
    display: block;
    width: 20px;
    height: 25px;
    background: #ffffff;
    clip-path: polygon(0 0, 0% 100%, 100% 50%);
    margin-right: 5px;
}