<section class="content">
  <div>
    <a href="" class="btn btn--doar">Doar</a>
  </div>
  
  <div>
    <a href="" class="btn btn--promo">Promoção</a>
  </div>
  <div>
    <a href="#" class="btn btn--action"><span>Pausar</span></a>
  </div>
<!-- Redes Sociais -->
  <div class='flat-under'>
    <div class='grow-container'>
      <a href="#" class='to-twitter circle-button'>
        <i class="fa fa-twitter fa-fw" aria-hidden="true"></i>
      </a>
    </div>
    <div class='grow-container'>
      <a href="#" class='to-red circle-button'>
        <i class="fa fa-google-plus fa-fw" aria-hidden="true"></i>
      </a>
    </div>
    <div class='grow-container'>
      <a href="#" class='to-facebook circle-button'>
        <i class="fa fa-facebook fa-fw" aria-hidden="true"></i>
      </a>
    </div>
    <div class='grow-container'>
      <a href="#" class='to-linkedin circle-button'>
        <i class="fa fa-linkedin fa-fw" aria-hidden="true"></i>
      </a>
    </div>
    <div class='grow-container'>
      <a href="#" class='to-reddit circle-button'>
        <i class="fa fa-reddit-alien fa-fw" aria-hidden="true"></i>
      </a>
    </div>
  </div>  
<!--  WOOOOOW  -->
  <div class="box">
    <button class="cta">
      <a href="#">Click me</a>
      <span class="shape">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
      </span>
    </button>
  </div>
</section>

* {
  outline:none;
  text-decoration:none;
  border:none;
}

body {
  background-color: #ecf0f1;
  font-size: 2rem;
  font-family: arial;
}

.content {
  display: flex;
  flex-direction: column;
}

div { 
  margin: 50px auto;
}

.btn {
  padding: 15px;
  font-weight: 700;
  font-size: 2rem;
  text-decoration: none;
  text-align: center;
  transition: all .5s ease; 
}

.btn--doar {
  color: #fff;
  padding-right: 0;
  background-color: #c0392b;
  -webkit-clip-path: polygon(0% 0%, 100% 0, 100% 70%, 90% 100%, 0% 100%);
  clip-path: polygon(0 0, 100% 0, 100% 50%, 75% 100%, 0 100%);

}

.btn--doar:hover { 
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 100% 100%, 0 100%);  
}

.btn--doar:after {
  content: "\f004";
  color: #e74c3c;
  font-family: FontAwesome;
  display: inline-block;
  position: relative;
  right: -55px;
  transition: all 0.2s ease;
}

.btn--doar:hover:after {
  margin: -5px 15px;
  right: 0px;
}

.btn--promo {
  color: #dff9fb;
  background-color: #130f40;
  border-radius: 50px;
}

.btn--promo:after {
  content: '40% OFF';
  display: inline-block;
  font-size: 1rem;
  color: #130f40;
  background-color: #f0932b;
  border-radius: 25px;
  padding: 5px;
  position: absolute;
  margin-top: -30px; 
  margin-left: -55px; 
}

.btn--action{
  display: block;
  width: 100%;
  padding: 1rem;
  border-radius: 1.5rem;
  background-color: #f6e58d;
  color: #000;
  transition: all .5s ease 0s; 
  box-shadow: 0 10px #f9ca24;
}

/* .btn--action:hover{
box-shadow: inset 0 0 0 .25rem #ffbe76;
} */

.btn--action span{
  display: inline-block;
  position: relative;
  transition: all .5s ease;
}

.btn--action span:before{
  content: '\f04c'; 
  color: #000;
  font-size: 1rem;
  font-family: FontAwesome;
  display: inline-block;
  position: absolute;
  top: 10px;
  left: 1.5rem;
  opacity: 0;
  transition: all .1s ease 0s;
}

.btn--action:hover span{
  padding-left: 1.5rem; 
}

.btn--action:hover span:before{
  left: 0;
  opacity: 1;
}

.btn--action:active {
  box-shadow: 0 5px #f0932b;
  transform: translateY(5px);
}

/* Redes Sociais */
.circle-button{
  font-family: 'Roboto', sans-serif;
	color: #ccc;
	display: inline-block;
  font-size: 2rem;
  border-radius: 50%;
	transition: all 0.2s ease;
}

.circle-button:hover{
	animation: circle-anim 0.3s ease forwards;
	transition: all 0.4s ease;
}

.grow-container{
  display: inline-block;
  margin: 1em;
}

.to-red:hover{
  background: #E5393F;
}

.to-twitter:hover{
  background: #1DA1F3;
}

.to-facebook:hover{
  background: #3B5998;
}

.to-linkedin:hover{
  background: #0077B5;
}

.to-reddit:hover{
  background: #FF4500;
}

@keyframes circle-anim{
	0% {
		
	}
	
	90%{
		padding: 0.35em;
		margin: -0.35em; 
	}
	
	100%{
		padding: 0.25em;
		margin: -0.25em; 
	}
}

/* WOOOW */
button {
  width: 160px;
  height: 60px;
  background: #E6203B;
  cursor:pointer;
  border-radius: 25px;
}

button a {
  color: #fff;
  text-transform:uppercase;
  letter-spacing:1px;
}

/* let's shape */
button span.shape {
  height: 60px;
  width: 160px;
  position: absolute;
  top: 0;
  left: 0;
}

button span span {
  content:"";
  position: absolute;
  margin: auto;
  height: 8px;
  width: 2px;
  background: #E6203B;
  opacity: 0;
}

button span span:nth-of-type(1) {
  top: -20px;
  left: 0;
  right: 0;
}

button span span:nth-of-type(2) {
  bottom: -20px;
  left: 0;
  right: 0;
}

button span span:nth-of-type(3) {
  top:0;
  bottom: 0;
  left: -10px;
}

button span span:nth-of-type(4) {
  top:0;
  bottom: 0;
  right: -10px;
}

button span span:nth-of-type(5) {
  top: -20px;
  left: -70%;
  right: 0;
  transform:rotate(-30deg);
}

button span span:nth-of-type(6) {
  top: -20px;
  left: 0;
  right: -70%;
  transform:rotate(30deg);
}

button span span:nth-of-type(7) {
  bottom: -20px;
  right: 0;
  left: -70%;
  transform:rotate(30deg);
}

button span span:nth-of-type(8) {
  bottom: -20px;
  left: 0;
  right: -70%;
  transform:rotate(-30deg);
}

/* let's animate this */
@keyframes bounce {
  0%{transform: scale(1);}
  50%{transform: scale(1.1);}
  100%{transform: scale(1);}
}

button.active {
  animation: bounce 0.3s ease-out 1;
}

button.active span span:nth-of-type(1) {
  animation: anim1 0.4s ease-out 1;
}
button.active span span:nth-of-type(2) {
  animation: anim2 0.4s ease-out 1;
}
button.active span span:nth-of-type(3) {
  animation: anim3 0.4s ease-out 1;
}
button.active span span:nth-of-type(4) {
  animation: anim4 0.4s ease-out 1;
}
button.active span span:nth-of-type(5) {
  animation: anim5 0.4s ease-out 1;
}
button.active span span:nth-of-type(6) {
  animation: anim6 0.4s ease-out 1;
}
button.active span span:nth-of-type(7) {
  animation: anim7 0.4s ease-out 1;
}
button.active span span:nth-of-type(8) {
  animation: anim8 0.4s ease-out 1;
}

@keyframes anim1 {
  0%{transform: scaleY(0.5);opacity: 0;}
  50%{transform: translateY(-10px) scaleY(1.4); opacity: 1;}
  100%{transform: translateY(-20px) scaleY(0.5);opacity: 0;}
}
@keyframes anim2 {
  0%{transform: scaleY(1);opacity: 0;}
  50%{transform: translateY(10px) scaleY(1.4); opacity: 1;}
  100%{transform: translateY(20px) scaleY(0.5);opacity: 0;}
}
@keyframes anim3 {
  0%{transform: rotate(90deg) scaleX(0.5);opacity: 0;}
  50%{transform: rotate(90deg) translateY(10px) scaleX(1.4); opacity: 1;}
  100%{transform: rotate(90deg) translateY(20px) scaleX(0.5);opacity: 0;}
}
@keyframes anim4 {
  0%{transform: rotate(90deg) scaleX(0.5);opacity: 0;}
  50%{transform: rotate(90deg) translateY(-10px) scaleX(1.4); opacity: 1;}
  100%{transform: rotate(90deg) translateY(-20px) scaleX(0.5);opacity: 0;}
}
@keyframes anim5 {
  0%{transform: rotate(-30deg) scaleY(0.5);opacity: 0;}
  50%{transform: rotate(-30deg) translateY(-8px) scaleY(1.4); opacity: 1;}
  100%{transform: rotate(-30deg) translateY(-16px) scaleY(0.5);opacity: 0;}
}
@keyframes anim6 {
  0%{transform: rotate(30deg) scaleY(0.5);opacity: 0;}
  50%{transform: rotate(30deg) translateY(-8px) scaleY(1.4); opacity: 1;}
  100%{transform: rotate(30deg) translateY(-16px) scaleY(0.5);opacity: 0;}
}
@keyframes anim7 {
  0%{transform: rotate(30deg) scaleY(0.5);opacity: 0;}
  50%{transform: rotate(30deg) translateY(8px) scaleY(1.4); opacity: 1;}
  100%{transform: rotate(30deg) translateY(16px) scaleY(0.5);opacity: 0;}
}
@keyframes anim8 {
  0%{transform: rotate(-30deg) scaleY(0.5);opacity: 0;}
  50%{transform: rotate(-30deg) translateY(8px) scaleY(1.4); opacity: 1;}
  100%{transform: rotate(-30deg) translateY(16px) scaleY(0.5);opacity: 0;}
}

$(".cta").click(function(){
  $(this).addClass("active").delay(300).queue(function(next){
    $(this).removeClass("active");
    next();
  });
});