body {
  background: #ACEDFF;
}

.btn-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -32px 0 0 -82px;
}

.floating-btn {
  display: block;
  font-family: "Oswald", sans-serif;
  max-width: 200px;
  background: #6F8AB7;
  position: relative;
  z-index: 1;
  padding: 20px 40px;
  color: white;
  margin: auto;
  box-shadow: 0 2px 0 #615D6C;
  text-decoration: none;
  border-radius: 5px;
  animation: bounce 2s ease-in-out forwards;
  animation-iteration-count: infinite;
}

.shadow {
  display: block;
  width: 20%;
  height: 0px;
  position: absolute;
  bottom: -30px;
  left: 0;
  right: 0;
  margin: auto;
  background: #6F8AB7;
  border-radius: 50%;
  animation: bounce-shadow 2s ease-in-out forwards;
  animation-iteration-count: infinite;
}

@keyframes bounce {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(20px);
  }
}
@keyframes bounce-shadow {
  0% {
    width: 1%;
    height: 2px;
    opacity: 0.1;
  }
  50% {
    width: 90%;
    height: 6px;
    opacity: 0.3;
  }
  100% {
    width: 1%;
    height: 0px;
    opacity: 0;
  }
}