* {
	outline: none;
	margin: 0;
	padding: 0; 
	-webkit-box-sizing: border-box;
	   -moz-box-sizing: border-box;
	        box-sizing: border-box;
}

body {
    min-width: 1030px;
    height: 100vh;
    background: url(../img/bg.jpg) no-repeat center top, #000;
    /*background-size: 1920px 978px;*/
}
a, a:hover {
    text-decoration: none;
    color: #fff;
}
.center {
	width: 1030px;
	min-width: 930px;
    height: 770px;
	margin: 0 auto;
    position: relative;
}
.btn {
	position: absolute;
	top: 370px;
	left: calc(50% - 185px);
	width: 371px;
	height: 180px;
	display: block;
	background: url(../img/btn.png) no-repeat;
			transition-duration: 0.3s;
			transition-property: transform;
			transform: scale(0.9);
	
	    -webkit-animation-name: pulse-shrink;
    animation-name: pulse-shrink;
    -webkit-animation-duration: 1.9s;
    animation-duration: 1.9s;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-direction: alternate;
    animation-direction: alternate;
}

@-webkit-keyframes pulse-shrink {
  to {
    -webkit-transform: scale(0.95);
    transform: scale(0.95);
  }
}

@keyframes pulse-shrink {
  to {
    -webkit-transform: scale(0.95);
    transform: scale(0.95);
  }
}
.btn:hover {
    animation: none;
	-webkit-transform: scale(1);
	   -moz-transform: scale(1);
		-ms-transform: scale(1);
         -o-transform: scale(1);
			transform: scale(1);
}

@media (max-width: 1320px) {
   
}