吸引注意力的动画

<p><strong>单击</strong> 按钮以激活其动画。</p>
<div class='btn-container'>
  <button class='btn btn--shockwave is-active'>
    Shockwave
  </button>
  <button class='btn btn--jump'>
    Jump
  </button>
  <button class='btn btn--pulse'>
    Pulse
  </button>
  <button class='btn btn--blink'>
    Blink
  </button>
  <button class='btn btn--wiggle'>
    Wiggle
  </button>
  <button class='btn btn--wut'>
    Hatching Alien
  </button>
</div>

　　

body {
  max-width: 600px;
  margin: 4.8rem auto;
  background: #acd4e4;
  font-family: tahoma, helvetica neue, helvetica, arial, sans-serif;
  background: linear-gradient(to right, #acd4e4, #bbe0df);
  text-align: center;
}

.btn-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.btn {
  width: 6.4rem;
  line-height: 6.4rem;
  background: #fff;
  border-radius: 50%;
  text-align: center;
  margin: 1.6rem;
  font-size: 0.8rem;
  border: none;
  padding: 0;
  position: relative;
  outline: none;
}

.btn--shockwave.is-active {
  -webkit-animation: shockwaveJump 1s ease-out infinite;
          animation: shockwaveJump 1s ease-out infinite;
}
.btn--shockwave.is-active:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  -webkit-animation: shockwave 1s .65s ease-out infinite;
          animation: shockwave 1s .65s ease-out infinite;
}
.btn--shockwave.is-active:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  -webkit-animation: shockwave 1s .5s ease-out infinite;
          animation: shockwave 1s .5s ease-out infinite;
}

@-webkit-keyframes shockwaveJump {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  40% {
    -webkit-transform: scale(1.08);
            transform: scale(1.08);
  }
  50% {
    -webkit-transform: scale(0.98);
            transform: scale(0.98);
  }
  55% {
    -webkit-transform: scale(1.02);
            transform: scale(1.02);
  }
  60% {
    -webkit-transform: scale(0.98);
            transform: scale(0.98);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}

@keyframes shockwaveJump {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  40% {
    -webkit-transform: scale(1.08);
            transform: scale(1.08);
  }
  50% {
    -webkit-transform: scale(0.98);
            transform: scale(0.98);
  }
  55% {
    -webkit-transform: scale(1.02);
            transform: scale(1.02);
  }
  60% {
    -webkit-transform: scale(0.98);
            transform: scale(0.98);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@-webkit-keyframes shockwave {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.15), inset 0 0 1px rgba(0, 0, 0, 0.15);
  }
  95% {
    box-shadow: 0 0 50px rgba(0, 0, 0, 0), inset 0 0 30px rgba(0, 0, 0, 0);
  }
  100% {
    -webkit-transform: scale(2.25);
            transform: scale(2.25);
  }
}
@keyframes shockwave {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.15), inset 0 0 1px rgba(0, 0, 0, 0.15);
  }
  95% {
    box-shadow: 0 0 50px rgba(0, 0, 0, 0), inset 0 0 30px rgba(0, 0, 0, 0);
  }
  100% {
    -webkit-transform: scale(2.25);
            transform: scale(2.25);
  }
}
.btn--jump.is-active {
  -webkit-animation: .4s jump ease infinite alternate;
          animation: .4s jump ease infinite alternate;
}

@-webkit-keyframes jump {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  }
  100% {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }
}

@keyframes jump {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  }
  100% {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }
}
.btn--pulse.is-active {
  background: transparent;
}
.btn--pulse.is-active:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  background: #fff;
  -webkit-animation: pulse 0.4s ease infinite alternate;
          animation: pulse 0.4s ease infinite alternate;
  z-index: -1;
}

@-webkit-keyframes pulse {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
    border-radius: 50%;
  }
  100% {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
    border-radius: 45%;
  }
}

@keyframes pulse {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
    border-radius: 50%;
  }
  100% {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
    border-radius: 45%;
  }
}
.btn--blink.is-active {
  background: transparent;
}
.btn--blink.is-active:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  background: #fff;
  -webkit-animation: blink 1.33s ease-out infinite;
          animation: blink 1.33s ease-out infinite;
  z-index: -1;
}

@-webkit-keyframes blink {
  0% {
    opacity: 1;
  }
  20% {
    opacity: .5;
  }
  100% {
    opacity: 1;
  }
}

@keyframes blink {
  0% {
    opacity: 1;
  }
  20% {
    opacity: .5;
  }
  100% {
    opacity: 1;
  }
}
.btn--wiggle.is-active {
  -webkit-animation: 1s wiggle ease infinite;
          animation: 1s wiggle ease infinite;
}

@-webkit-keyframes wiggle {
  0% {
    -webkit-transform: rotate(-3deg);
            transform: rotate(-3deg);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
  }
  20% {
    -webkit-transform: rotate(20deg);
            transform: rotate(20deg);
  }
  40% {
    -webkit-transform: rotate(-15deg);
            transform: rotate(-15deg);
  }
  60% {
    -webkit-transform: rotate(5deg);
            transform: rotate(5deg);
  }
  90% {
    -webkit-transform: rotate(-1deg);
            transform: rotate(-1deg);
  }
  100% {
    -webkit-transform: rotate(0);
            transform: rotate(0);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
  }
}

@keyframes wiggle {
  0% {
    -webkit-transform: rotate(-3deg);
            transform: rotate(-3deg);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
  }
  20% {
    -webkit-transform: rotate(20deg);
            transform: rotate(20deg);
  }
  40% {
    -webkit-transform: rotate(-15deg);
            transform: rotate(-15deg);
  }
  60% {
    -webkit-transform: rotate(5deg);
            transform: rotate(5deg);
  }
  90% {
    -webkit-transform: rotate(-1deg);
            transform: rotate(-1deg);
  }
  100% {
    -webkit-transform: rotate(0);
            transform: rotate(0);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
  }
}
.btn--wut.is-active {
  -webkit-animation: 1s fullRotation ease infinite;
          animation: 1s fullRotation ease infinite;
}
.btn--wut.is-active:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  background: #fff;
  -webkit-animation: wutBefore 0.8s .4s ease-out infinite;
          animation: wutBefore 0.8s .4s ease-out infinite;
  z-index: -1;
}
.btn--wut.is-active:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  background: #fff;
  -webkit-animation: wut 0.8s ease-out infinite;
          animation: wut 0.8s ease-out infinite;
  z-index: -1;
}

@-webkit-keyframes fullRotation {
  0% {
    -webkit-transform: rotate(-3deg) scale(1) translate3d(0, 0, 0);
            transform: rotate(-3deg) scale(1) translate3d(0, 0, 0);
  }
  20% {
    -webkit-transform: rotate(50deg) translate3d(0, 5px, 0);
            transform: rotate(50deg) translate3d(0, 5px, 0);
  }
  40% {
    -webkit-transform: rotate(-15deg) scale(1.1) translate3d(0, 8px, -5px);
            transform: rotate(-15deg) scale(1.1) translate3d(0, 8px, -5px);
  }
  60% {
    -webkit-transform: rotate(5deg) translate3d(5px, -8px, -80px);
            transform: rotate(5deg) translate3d(5px, -8px, -80px);
  }
  90% {
    -webkit-transform: rotate(-1deg) translate3d(0, 0, 0);
            transform: rotate(-1deg) translate3d(0, 0, 0);
  }
  100% {
    -webkit-transform: rotate(0);
            transform: rotate(0);
  }
}

@keyframes fullRotation {
  0% {
    -webkit-transform: rotate(-3deg) scale(1) translate3d(0, 0, 0);
            transform: rotate(-3deg) scale(1) translate3d(0, 0, 0);
  }
  20% {
    -webkit-transform: rotate(50deg) translate3d(0, 5px, 0);
            transform: rotate(50deg) translate3d(0, 5px, 0);
  }
  40% {
    -webkit-transform: rotate(-15deg) scale(1.1) translate3d(0, 8px, -5px);
            transform: rotate(-15deg) scale(1.1) translate3d(0, 8px, -5px);
  }
  60% {
    -webkit-transform: rotate(5deg) translate3d(5px, -8px, -80px);
            transform: rotate(5deg) translate3d(5px, -8px, -80px);
  }
  90% {
    -webkit-transform: rotate(-1deg) translate3d(0, 0, 0);
            transform: rotate(-1deg) translate3d(0, 0, 0);
  }
  100% {
    -webkit-transform: rotate(0);
            transform: rotate(0);
  }
}
@-webkit-keyframes wut {
  0% {
    border-radius: 50%;
    -webkit-transform: skew(0) translate3d(0, 0px, 0px);
            transform: skew(0) translate3d(0, 0px, 0px);
  }
  10% {
    -webkit-transform: translate3d(0, -10px, 0);
            transform: translate3d(0, -10px, 0);
  }
  50% {
    border-radius: 50%;
  }
  80% {
    border-radius: 30%;
    -webkit-transform: translate3d(20, 10px, 20px);
            transform: translate3d(20, 10px, 20px);
  }
  100% {
    border-radius: 50%;
    -webkit-transform: skew(0) translate3d(0, 0px, 0px);
            transform: skew(0) translate3d(0, 0px, 0px);
  }
}
@keyframes wut {
  0% {
    border-radius: 50%;
    -webkit-transform: skew(0) translate3d(0, 0px, 0px);
            transform: skew(0) translate3d(0, 0px, 0px);
  }
  10% {
    -webkit-transform: translate3d(0, -10px, 0);
            transform: translate3d(0, -10px, 0);
  }
  50% {
    border-radius: 50%;
  }
  80% {
    border-radius: 30%;
    -webkit-transform: translate3d(20, 10px, 20px);
            transform: translate3d(20, 10px, 20px);
  }
  100% {
    border-radius: 50%;
    -webkit-transform: skew(0) translate3d(0, 0px, 0px);
            transform: skew(0) translate3d(0, 0px, 0px);
  }
}
@-webkit-keyframes wutBefore {
  0% {
    border-radius: 50%;
    -webkit-transform: translate3d(0, 0px, 0px);
            transform: translate3d(0, 0px, 0px);
  }
  10% {
    -webkit-transform: translate3d(-10px, 10px, 0);
            transform: translate3d(-10px, 10px, 0);
  }
  70% {
    border-radius: 50%;
  }
  80% {
    border-radius: 30%;
    -webkit-transform: translate3d(-20px, -10px, -20px);
            transform: translate3d(-20px, -10px, -20px);
  }
  100% {
    border-radius: 50%;
    -webkit-transform: translate3d(0, 0px, 0px);
            transform: translate3d(0, 0px, 0px);
  }
}
@keyframes wutBefore {
  0% {
    border-radius: 50%;
    -webkit-transform: translate3d(0, 0px, 0px);
            transform: translate3d(0, 0px, 0px);
  }
  10% {
    -webkit-transform: translate3d(-10px, 10px, 0);
            transform: translate3d(-10px, 10px, 0);
  }
  70% {
    border-radius: 50%;
  }
  80% {
    border-radius: 30%;
    -webkit-transform: translate3d(-20px, -10px, -20px);
            transform: translate3d(-20px, -10px, -20px);
  }
  100% {
    border-radius: 50%;
    -webkit-transform: translate3d(0, 0px, 0px);
            transform: translate3d(0, 0px, 0px);
  }
}

document.addEventListener('click', click);

function click(e) {
  var el = void 0;

  el = e.target;

  if (el !== e.currentTarget) {
    if (el.nodeName === 'BUTTON') {

      if (el.classList.contains('is-active')) {
        el.classList.remove('is-active');
      } else {
        el.classList.add('is-active');
      }
    }
  }
  event.stopPropagation();
}