*{
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
.slider{
    margin: 100px auto;
    width: 80%;
}
.slider img{
	height: auto;
	width: 100%;
}
/*slick setting*/
.slick-prev:before,
.slick-next:before{
    color: #000;
}


.center {
	margin-top: 0;
	margin-right: auto;
	margin-left: auto;
	margin-bottom: 50px;
	width: 100%;
	max-width: 100%;
}
.center img {
	width: 100%;
	height: auto;
}
.center .slick-next {
  right: 20px;
  z-index: 99;
}
.center .slick-prev {
  left: 15px;
  z-index: 100;
}