<div class="button" id="btn">
  <span><i class="material-icons">send</i></span>
  <span class="left">Send</span>
</div>

<div id="toast">
  Sent!
</div>

body {
  background: #273038;
  display: flex;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  justify-content: center;
  align-items: center;
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  font-size: 1.2rem;
  color: white;
}
.button {
  border-radius: 3px;
  transition: background .2s linear;
  background: #00B288;
  height: 60px;
  width: 180px;
  overflow: hidden;
  position: relative;
  display: flex;
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  &:after {
    position: absolute;
    background: rgba(black, .2);
    transform: scale(0);
    height: 50px;
    width: 50px;
    margin-left: auto;
    margin-right: auto;
    margin-top: auto;
    margin-bottom: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    content: '';
    border-radius: 50%;
  }
  &:hover {
    cursor: pointer;
    span {
      transform: translateX(0);
    }
  }
  &:not(:active) {
    &:after {
        animation: ripple .4s cubic-bezier(0.785, 0.135, 0.15, 0.86);
    }
    background: darken(#00B288, 5%);
  }
}

.left {
  float: left;
}

span {
  transform: translateX(-180px);
  transition: transform .2s cubic-bezier(0.785, 0.135, 0.15, 0.86); 
  height: 60px;
  flex-basis: 180px;
  min-width: 180px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#toast {
  position: absolute;
  bottom: 20px;
  transform: translateY(15vh);
  transition: transform .2s cubic-bezier(0.785, 0.135, 0.15, 0.86); 
  background: rgba(0, 0, 0, .4);
  padding: 5px 10px;
  border-radius: 5px;
}


@keyframes ripple {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(4);
  }
}

let btn = document.getElementById('btn');
let toast = document.getElementById('toast');
btn.onclick = () => {
    toast.style.transform = 'translateY(0)';
  window.setTimeout(function(){
    toast.style.transform = 'translateY(15vh)';
  }, 2000);
}