.w-app {
	height: 80px;
	width: 80px;
	position: fixed;
	right: 45px;
	bottom: 45px;
	z-index: 99;

	-webkit-animation: scale-up-center 1s ease-in-out 1s infinite alternate backwards;
	        animation: scale-up-center 1s ease-in-out 1s infinite alternate backwards;
}
.w-app:hover {
	cursor: pointer;
}
.w-app span {
	z-index: -10;
	width: 40px;
	height: 40px;
	position: absolute;
	max-width: 99.9%;
    max-height: 99.9%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);

	-webkit-animation: shadow 1s ease-in-out 1s infinite alternate backwards;
	        animation: shadow 1s ease-in-out 1s infinite alternate backwards;
}

/**
 * ----------------------------------------
 * animation scale-up-center
 * ----------------------------------------
 */
@-webkit-keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.9);
            transform: scale(0.9);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.9);
            transform: scale(0.9);
  }
  100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}

@-webkit-keyframes shadow {
	0%{  box-shadow: 0px 0px 50px 20px #1a7703 ; } 
	100%{ box-shadow: 0px 0px 50px 10px transparent ; } 
}
@keyframes shadow {
	0%{  box-shadow: 0px 0px 50px 20px #1a7703 ; } 
	100%{ box-shadow: 0px 0px 50px 10px transparent ; } 
}