.call_back:before{
	-webkit-animation: puls 1.8s linear infinite;
	-moz-animation: puls 1.8s linear infinite;
	-ms-animation: puls 1.8s linear infinite;
	-o-animation: puls 1.8s linear infinite;
	animation: puls 1.8s linear infinite;
	animation-direction: normal;
}

.call_back:after{
	-webkit-animation: pulss 1.8s linear .5s infinite;
	-moz-animation: pulss 1.8s linear .5s infinite;
	-ms-animation: pulss 1.8s linear .5s infinite;
	-o-animation: pulss 1.8s linear .5s infinite;
	animation: pulss 1.8s linear .5s infinite;
	animation-direction: normal;
}


.call_back a{
	-webkit-animation: left_right 1.8s linear .5s infinite;
	-moz-animation: left_right 1.8s linear .5s infinite;
	-ms-animation: left_right 1.8s linear .5s infinite;
	-o-animation: left_right 1.8s linear .5s infinite;
	animation: left_right 1.8s linear .5s infinite;
	animation-direction: normal;
}


@keyframes left_right{
	0%{
		transform: rotate(-17deg);
	}
	50%{
		transform: rotate(17deg);
	}
	100%{
		transform: rotate(-17deg);
	}
}


@keyframes puls{
	0%{
		opacity: 0.7;
		transform: scale(0.5);
	}

	100%{
		opacity: 0;
		transform: scale(1.5);
		border-width: 1px;
	}
}

@keyframes pulss{
	0%{
		opacity: 0.7;
		transform: scale(0.5);
	}

	100%{
		opacity: 0;
		border-width: 1px;
		transform: scale(1.5);
	}
}