@charset "utf-8";
/* layout.css는 전체적인 레이아웃 스타일을 정의합니다. */ 

#skipToContent a {z-index:100000;position:absolute;top:0;left:0;width:1px;height:1px;font-size:0;line-height:0;overflow:hidden}
#skipToContent a:focus, 
#skipToContent a:active {width:200px;height:50px;background:#21272e;color:#fff;font-size:14px;font-weight:bold;text-align:center;text-decoration:none;line-height:50px}

.contain {width:100%; max-width:1560px; padding-left:30px; padding-right:30px; margin:0 auto;}
.contain:after {content:""; display:block; clear:both;}


.only-desktop {display:block;}
.only-desktop-tablet {display:block;}
.only-tablet-mobile {display:none;}
.only-tablet {display:none;}
.only-mobile {display:none;}

/* header */
#header {position:absolute; width: 100%; top: 0; left: 0; z-index:100; background: transparent;}
#header .contain {position:relative; max-width: 1780px; height: 100px; z-index:2;}

#header.header-fixed {position: fixed; background-color: #fff; box-shadow:rgba(0,0,0,.15) 0 0 10px;}

.sitelogo {position:absolute; top:50%; left:30px; margin-top:-15px; z-index:2;}
.sitelogo a {display: block;}

#gnb {display: none; text-align:center;}
#gnb > ul {display:flex;justify-content:flex-end;}
#gnb > ul > li {position:relative; padding:0 50px; text-align:center;}
#gnb > ul > li:after {content:""; position: absolute; bottom: -4px; left: 50%; margin-left: -45px; width: 90px; height: 4px; background: #2d4695; transform:scale(0); transition:all .2s;}
#gnb > ul > li.active:after {transform:scale(1);}
#gnb > ul > li > a {display:block; font-size:22px; font-weight:500; line-height:90px; color: #333;}

#gnb .submenu {height:0; overflow:hidden; position:absolute; left:0; width:100%; text-align:center; z-index:15;}
#gnb .submenu > ul {position:relative; padding:20px 0;}
#gnb .submenu > ul > li {margin-bottom:12px;}
#gnb .submenu > ul > li > a {display:block; line-height:1.5em; font-size: 18px; color: #6c6c6c;}
#gnb .submenu > ul > li:hover > a {color: #2d4695;}

.submenu-bg {display:none; position:absolute; left:0; width:100%; background:#fff; border-top: 1px solid #a8a8a8; z-index:1;}

.lang {position: absolute; right: 95px; top: 50%; transform:translateY(-50%); z-index: 50;}
.lang .custom-select {min-width: 100px; font-size: 15px; vertical-align:middle; position:relative; z-index:10;}
.lang .custom-select .select-hidden {display:none;}
.lang .custom-select .select-input {position:relative; overflow:hidden; white-space:nowrap; cursor:pointer; text-align: left; color: #231916; font-weight: 700; line-height: 30px; padding-right: 20px; background: no-repeat url("../images/common/select_down.png") right 1px center;  z-index:2;}
.lang .custom-select .select-input .i-lang {display: inline-block; vertical-align:middle; width: 16px; height: 16px; margin: -.2em 5px 0 0; background-image:url("../images/common/icon_lang.png");background-repeat:no-repeat;background-size: contain;}
.lang .custom-select .select-input .i-lang img {visibility: hidden;}
.lang .custom-select .select-options {display:none; position:absolute; left:50%; margin-left: -50px; width:100px; max-height:auto; border: 1px solid #ccc; border-radius:4px; background:#fff; overflow:auto;}
.lang .custom-select .select-options ul {padding: 12px 25px;}
.lang .custom-select .select-options li {cursor:pointer; transition:.2s;}
.lang .custom-select .select-options li a {display: block; color: #333;}
.lang .custom-select .select-options li a:hover {color: #00b0f0;}

/* for mobile */
.btn-m-menu {position:absolute; top:50%; right:30px; width:32px; height:32px; margin-top:-16px; text-align:center; text-indent:-9999em; z-index:50; transition:all 0.5s linear;}
.btn-m-menu span {position:absolute; left:0; right:0; top:50%; margin-top:0px; height:2px; background:#242424;}
.btn-m-menu span:before,
.btn-m-menu span:after {content:" "; position:absolute; left:0; right:0; height:2px; background:#242424; transition-duration:0.3s, 0.3s; transition-delay:0.3s, 0s;}
.btn-m-menu span:before {top:-11px; transition-property:top, transform;}
.btn-m-menu span:after {bottom:-11px; transition-property:bottom, transform;}

.mobile-navigation {position:fixed; top:0; right:0; width:100%; height:100%; overflow:auto; transition:.2s linear; -ms-transform:translateX(100%); transform:translateX(100%); background:rgba(24,30,35,.9); padding-top: 15vh; z-index:102;}
.mobile-navigation .contain {position: relative; max-width: 1460px;}
.mobile-navigation .home {max-height:60px; padding: 19px 20px;}
.mobile-navigation .home a {display: block;  color: #000; font-size: 18px; font-weight: 700; line-height: 1.3em;}
.mobile-navigation .nav-menu>ul {display: flex;}
.mobile-navigation .nav-menu>ul>li {width: 25%;}
.mobile-navigation .nav-menu>ul>li>a {position:relative; padding:13px 20px; display:block; color:#fff; font-size:36px; font-weight:500; line-height:1.5em; letter-spacing: -.04em;}
.mobile-navigation .nav-menu .submenu {padding: 10px 0;}
.mobile-navigation .nav-menu .submenu ul li a {display:block; padding:4px 20px; color:#fff; font-size:20px; font-weight: 200; line-height:1.5em;}
.mobile-overlay {display:none; position:fixed; top:0; left:0; width:100%; height:100%; background:#000; opacity:0.6; z-index:101;}

.mobile-navigation .close {position:absolute; right:30px; top:37px; width:22px; height:22px;}
.mobile-navigation .close:before,
.mobile-navigation .close:after {position:absolute; left:11px; content:""; height:25px; width:2px; background-color:#fff;transition-duration:0.3s, 0.3s; transition-delay:0.3s, 0s;}
.mobile-navigation .close:before {transform:rotate(90deg); transition-property:transform;}
.mobile-navigation .close:after {transform:rotate(-90deg); transition-property:transform;}


html.menu-opened {overflow:hidden;}
html.menu-opened .mobile-navigation {-ms-transform:translateX(0); transform:translateX(0);}
html.menu-opened .mobile-overlay {display:block;}
html.menu-opened .btn-m-menu span {background:none;}
html.menu-opened .btn-m-menu span:before,
html.menu-opened .btn-m-menu span:after {transition-delay:0s, 0.3s; height:2px;}
html.menu-opened .btn-m-menu span:before {opacity: 0; top:0; transform:rotate(45deg);}
html.menu-opened .btn-m-menu span:after {opacity: 0; bottom:2px; transform:rotate(-45deg);}
html.menu-opened .close:before {transform:rotate(45deg);}
html.menu-opened .close:after {transform:rotate(-45deg);}

/* main */
.sec1 {}
.sec2 {overflow:hidden; background:no-repeat url("../images/main/bg_sec2.jpg") top right; background-size:cover;}
.sec3 {}
.sec4 {background:no-repeat url("../images/main/bg_sec4.jpg") 50% 50%; background-size:cover;}
.sec5 {background:no-repeat url("../images/main/bg_sec5.jpg") 50% 50%; background-size:cover;}

.sec2 .fp-tableCell {padding-top: 100px;}
.sec3 .fp-tableCell {padding-top: 100px;}
.sec4 .fp-tableCell {padding-top: 100px;}
.sec5 .fp-tableCell {padding-top: 100px;}

.main-visual {position:relative; background:#000;}
.main-visual .item {position:relative; height:100vh; overflow:hidden;}
.main-visual .contain {position: relative; height: 100%;}
.main-visual .img {position:absolute; top:0; left:0; width:100%; height:100%; overflow:hidden; transform: scale(1.25);}
.main-visual .img img {position:absolute; top:50%; left:0; transform:translateY(-50%); -ms-transform:translateY(-50%); -webkit-transform:translateY(-50%); width:100%; height:auto !important; max-width:100%; min-height:100%; object-fit:cover;}

.sec1 .caption {position: absolute; top: 50%; width: 100%; left: 0; transform:translateY(-50%); color: #fff; text-align: center; font-size: 46px;}
.sec1 .caption h2 {font-weight: 600; line-height: 1.2;}
.sec1 .caption p {font-size: 1.217em; font-weight: 200; line-height: 1.2; margin-top: 5px;}

.sec1 .animate .img {animation-name: scale; animation-duration:4s; animation-fill-mode: forwards;}
@keyframes scale {
	0% {transform: scale(1.2);}
	100% {transform: scale(1);}
}

.m-head {color: #333; margin-bottom: 65px; text-align: center;}
.m-head.white {color: #fff;}
.m-head h2 {font-size: 56px; font-weight: 500; line-height: 1.3;}
.m-head p {font-size: 1.333em; line-height: 1.25em; margin-top: 10px;}
.m-head p strong {font-weight: 600;}


.sec2 .contain {max-width: 1780px;}
.sec2 .head {text-align: center; color: #fff; margin-bottom: 6.8vh;}
.sec2 .head h2 {font-size: 60px; line-height: 1.3; letter-spacing: -.01em; font-weight: 700; margin-bottom: .5em;}
.sec2 .head p {font-size: 1.333em; line-height: 1.25; font-weight: 300; margin-bottom: .8em;}
.sec2 .head p strong {font-size: 1.917em; font-weight: 500;}
.main-about-list {position: relative; z-index: 1;}
.main-about-list ul {display: flex;flex-wrap:wrap; margin: -17.5px;}
.main-about-list ul li {width: 25%; padding: 17.5px;}
.main-about-list ul li a {position: relative; display: table; width: 100%; height: 320px; padding: 35px 30px;}
.main-about-list ul li .img {position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; overflow:hidden;}
.main-about-list ul li .img img {position:absolute; top:0; left:0; width:100%; height: 100%; object-fit:cover; transform:scale(1); transition:.4s;}
.main-about-list ul li a:hover .img img {transform:scale(1.06);}
.main-about-list ul li .txt {display: table-cell; vertical-align:bottom; color: #fff;}
.main-about-list ul li .txt strong {display: block; font-size: 1.556em; font-weight: 500; line-height: 1.4; letter-spacing: -.025em; margin-bottom: 4px;}
.main-about-list ul li .txt p {font-size: 1.111em; font-weight: 200; left: 1.3em; letter-spacing: -.025em;}

.sec3 .contain {max-width: 1780px;}
.biz-list {box-shadow:rgba(0,0,0,.25) 10px 10px 10px;}
.biz-list ul {display: flex;flex-wrap:wrap; margin: -.5px;}
.biz-list ul li {width: 33.3333333%; padding: .5px;}
.biz-list ul li a {position: relative; display: block; padding-bottom: 56%; background-position:50% 50%; background-repeat:no-repeat; background-size:cover; z-index: 1;}
.biz-list ul li a:after {content:''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #000; opacity: 0; transition:.2s; z-index: -1;}
.biz-list ul li .tit {position: absolute; left: 0; width: 100%; bottom: 30px; color: #fff; font-size: 1.333em; line-height: 1.25; padding: 0 40px;}
.biz-list ul li .tit i {position: relative; display: block; width: 40px; height: 1px;  background-color: #fff; margin-bottom: 10px; transition:.2s;}
.biz-list ul li .tit i:after {content:''; position: absolute; top: 50%; right: 0; margin-top: -3px; width: 8px; height: 8px; border-right: 1px solid #fff; border-top: 1px solid #fff; transform:rotate(45deg); opacity: 0; transition:.2s;}
.biz-list ul li a:hover:after {opacity: .5;}
.biz-list ul li a:hover i {width: 58px;}
.biz-list ul li a:hover i:after {opacity: 1;}
.biz-list ul li .img {position: absolute; bottom: 0; left: 0; width: 100%; padding-bottom: 58%; background-position:50% 50%; background-repeat:no-repeat; background-size:cover;}
.biz-list ul li .bg1 {background-image:url("../images/main/main_biz1.jpg");}
.biz-list ul li .bg2 {background-image:url("../images/main/main_biz2.jpg");}
.biz-list ul li .bg3 {background-image:url("../images/main/main_biz3.jpg");}
.biz-list ul li .bg4 {background-image:url("../images/main/main_biz4.jpg");}
.biz-list ul li .bg5 {background-image:url("../images/main/main_biz5.jpg");}
.biz-list ul li .bg6 {background-image:url("../images/main/main_biz6.jpg");}

.sec4 .contain {max-width: 1780px;}
.sec4 .m-head {margin-bottom: 110px;}
.sec4 .project-list ul {display: block;}
.sec4 .project-list ul li {margin-bottom: 0;}
.sec4 .project-list ul li a:hover {background-color: #161a23; transform: translateY(-35px);}
.sec4 .project-list ul li a:hover .cate {color: #fff;}
.sec4 .project-list ul li a:hover .tit {color: #fff;}
.sec4 .project-list ul li a:hover .tit2 {color: #fff;}
.sec4 .project-list ul li a:hover .arrow {background-color: #fff;}
.sec4 .project-list ul li a:hover .arrow:after {border-color: #fff;}

.sec4 .slider {position: relative; margin: -35px 0;}
.sec4 .slider .slick-list {padding: 35px 0;}
.sec4 .roll-btn {position: absolute; right: 0; top: -70px; margin: 0 -6px;}
.sec4 .slick-arrow {margin: 0 6px; width:45px; height:45px; z-index:50; background-size: 14px; background-color:transparent; background-position:50% 50%; background-repeat:no-repeat; border:1PX SOLID #FFF; border-radius:100%; overflow:hidden; text-indent:-9999em;}
.sec4 .slick-arrow:hover {background-color: #006fbc; border-color:#006fbc;}
.sec4 .slick-prev {background-image:url("../images/main/biz_slide_prev.png");}
.sec4 .slick-next {background-image:url("../images/main/biz_slide_next.png");}

.sec5 .contain {max-width: 1460px;}
.sec5 .wrap {display: flex;}
.sec5 .title {flex: 1 1 auto; min-width: 0; width: 1%;}
.sec5 .title .m-head {text-align: left;}
.sec5 .links {width: 50%; margin-left: 30px;}
.sec5 .links ul {}
.sec5 .links ul li {background-color: rgba(0,0,0,.5); border-bottom: 1px solid #555;}
.sec5 .links ul li:last-child {border-bottom: 0;}
.sec5 .links ul li a {position: relative; display: block; padding: 75px 115px 75px 180px; color: #fff;}
.sec5 .links ul li .icon {position: absolute; top: 75px; left: 70px; transition:.2s; background-position:50% 50%; background-repeat:no-repeat; background-size:contain;}
.sec5 .links ul li .icon img {visibility: hidden;}
.sec5 .links ul li .icon1 {background-image:url("../images/main/icon_company1.png");}
.sec5 .links ul li .icon2 {background-image:url("../images/main/icon_company2.png");}
.sec5 .links ul li .icon3 {background-image:url("../images/main/icon_company3.png");}
.sec5 .links ul li a:hover .icon1 {background-image:url("../images/main/icon_company1_on.png");}
.sec5 .links ul li a:hover .icon2 {background-image:url("../images/main/icon_company2_on.png");}
.sec5 .links ul li a:hover .icon3 {background-image:url("../images/main/icon_company3_on.png");}
.sec5 .links ul li .txt {}
.sec5 .links ul li .txt strong {display: block; font-size: 1.333em; line-height: 1.25; letter-spacing: -.01em; margin-bottom: 4px;}
.sec5 .links ul li .txt p {line-height: 1.5;}
.sec5 .links ul li .plus {position: absolute; top: 50%; right: 60px; margin-top: -20px; width: 40px; height: 40px; transition: .4s;}
.sec5 .links ul li .plus:before,
.sec5 .links ul li .plus:after {content: ""; position: absolute; background-color: #fff; transition:.2s;}
.sec5 .links ul li .plus:before {top: 0; left: 50%; margin-left: -1px; width: 2px; height: 100%;}
.sec5 .links ul li .plus:after {top: 50%; left: 0; margin-top: -1px; width: 100%; height: 2px;}

.sec5 .links ul li a:hover {color: #006fbc;}
.sec5 .links ul li a:hover .plus:before,
.sec5 .links ul li a:hover .plus:after {background-color: #006fbc;}

.delay0 {animation-delay: .2s;}
.delay1 {animation-delay: .4s;}
.delay2 {animation-delay: .6s;}
.delay3 {animation-delay: .8s;}
.delay4 {animation-delay: 1s;}
.delay5 {animation-delay: 1.2s;}

@keyframes fadeInUp {
	0% {
		opacity: 0;
		transform: translateY(50px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes fadeInRight {
	0% {
		opacity: 0;
		transform: translateX(-50px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes fadeInLeft {
	0% {
		opacity: 0;
		transform: translateX(50px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

.sec2 .head {opacity: 1;}
.sec2.active .head {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards;}
.sec2 .main-about-list ul li {opacity: 1;}
.sec2.active .main-about-list ul li {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards;}

.sec3 .m-head h2 {opacity: 1;}
.sec3.active .m-head h2 {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards;}
.sec3 .biz-list {opacity: 1;}
.sec3.active .biz-list {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards; animation-delay: .4s;}

.sec4 .m-head h2 {opacity: 1;}
.sec4.active .m-head h2 {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards;}
.sec4 .slider {opacity: 1;}
.sec4.active .slider {opacity: 0; animation-name: fadeInUp; animation-duration:1.5s; animation-fill-mode: forwards; animation-delay: .4s;}

.sec5 .title {opacity: 1;}
.sec5.active .title {opacity: 0; animation-name: fadeInRight; animation-duration:1.5s; animation-fill-mode: forwards;}
.sec5 .links {opacity: 1;}
.sec5.active .links {opacity: 0; animation-name: fadeInLeft; animation-duration:1.5s; animation-fill-mode: forwards; animation-delay: .4s;}

/* sub */
.sub-visual {position: relative; display:table; table-layout:fixed; width:100%; height:660px; overflow:hidden; text-align:center; color:#fff; background-color:#eee; background-position:50% 50%; background-attachment:scroll; background-repeat:no-repeat; background-size:cover;}
.sub-visual .cell {position: relative; z-index: 1; width: 100%; display:table-cell; vertical-align:middle; padding:20px; padding-top: 80px;}
.sub-visual .img {position: relative; height: 660px;}
.sub-visual .img img {position:absolute; top:50%; left:0; transition:.4s ease-in-out; transform:translateY(-50%); -ms-transform:translateY(-50%); -webkit-transform:translateY(-50%); width:100%; height:auto !important; max-width:100%; min-height:100%; object-fit:cover;}
.sub-visual h2 {font-size:50px; line-height:1.5em; letter-spacing: -.025em;}

.sub-visual .desc {position: absolute; bottom: 0; left: 0; width: 100%; min-height: 120px; display: table; background-color: rgba(0,0,0,.5); color: #fff; text-align: left;}
.sub-visual .desc .in {display: table-cell; vertical-align:middle; width: 100%;}
.sub-visual .desc p {line-height: 1.5; letter-spacing: -.025em; padding-right: 250px;}
.sub-visual .desc p strong {display: block; font-size: 1.444em;}

.sub-visual .roll-btn {position:absolute; bottom:25px; left:0; width: 100%; text-align: center; z-index: 10;}
.sub-visual .roll-btn.ty2 {left: 50%; margin-left: -750px; width: 1500px; text-align: right;}

.sub-visual .swiper-arrow {width:56px; height:56px; z-index:50; background-size: 20px; background-color:#fff; background-position:50% 50%; background-repeat:no-repeat; border:0; border-radius:100%; overflow:hidden; text-indent:-9999em;}
.sub-visual .swiper-prev {background-image:url("../images/common/sv_slide_prev.png");}
.sub-visual .swiper-next {background-image:url("../images/common/sv_slide_next.png");}
.sub-visual .swiper-pagination {position: static; width: auto; display: inline-block; vertical-align: middle; margin: 0 30px; color: #fff; font-weight: 700; font-size: 0.889em;}
.sub-visual .swiper-pagination .swiper-pagination-current {font-size: 1.25em;}

.sub-visual .backgroud.bg1_1 {background-image:url("../images/common/sv1_1.jpg")}
.sub-visual .backgroud.bg1_2 {background-image:url("../images/common/sv1_2.jpg")}
.sub-visual .backgroud.bg1_3 {background-image:url("../images/common/sv1_3.jpg")}
.sub-visual .backgroud.bg1_4 {background-image:url("../images/common/sv1_4.jpg")}
.sub-visual .backgroud.bg1_5 {background-image:url("../images/common/sv1_5.jpg")}
.sub-visual .backgroud.bg2 {background-image:url("../images/common/sv2.jpg")}
.sub-visual .backgroud.bg3 {background-image:url("../images/common/sv3.jpg")}
.sub-visual .backgroud.bg4_1 {background-image:url("../images/common/sv4_1.jpg")}
.sub-visual .backgroud.bg4_2 {background-image:url("../images/common/sv4_2.jpg")}
.sub-visual .backgroud.bg4_3 {background-image:url("../images/common/sv4_3.jpg")}

.sub-visual .backgroud {
	position: absolute; top: 0; left: 0; width: 100%; height: 100%;
	background-position:20% 50%; background-attachment:scroll; background-repeat:no-repeat; background-size:cover;
	transform:scale(1.09);
    -ms-transform:scale(1.09); /* IE 9 */
    -moz-transform:scale(1.09); /* Firefox */
    -webkit-transform:scale(1.09); /* Safari and Chrome */
    -o-transform:scale(1.09); /* Opera */
	transition: all 2s ease-out 0s;
	transition-delay: 0.1s;
}
.sub-visual.loaded .backgroud{
	transform:scale(1);
    -ms-transform:scale(1); /* IE 9 */
    -moz-transform:scale(1); /* Firefox */
    -webkit-transform:scale(1); /* Safari and Chrome */
    -o-transform:scale(1); /* Opera */
}

.lnb {order: 2; padding-bottom: 100px; width:450px; margin-left: 10px; border: 1px solid #ddd; border-top: 3px solid #000; background-color: #fff; padding: 30px;}
.lnb .tt {font-size: 1.111em; font-weight: 700; color: #000; line-height: 1.5em; margin-bottom: 20px;}
.lnb ul {}
.lnb ul li {margin: .8em 0;}
.lnb ul li a {display:block; color:#999; line-height:1.5em;}
.lnb ul li a:hover {color:#000;}
.lnb ul li.active a {color:#000;}

#sub #container {position: relative; max-width:1560px; padding-left:30px; padding-right:30px; padding-top: 100px; margin:0 auto; display: flex;align-items: flex-start;}
#sub #container.wide {max-width: 1780px;}
#sub #container.extrem-wide {max-width: 100%; padding-right: 0; padding-left: 0;}
#sub #container.bg {background-color: #f2f2f2;}
#contArea {flex: 1 1 auto; min-width: 0; width: 1%;}

.sub-title {position:relative; padding-bottom: 55px;}
.sub-title.center {text-align: center;}
.sub-title h2 {font-size:40px; line-height:1.3em; letter-spacing: -.025em;}

.real-cont {min-height:300px; padding-bottom:100px;}


/* footer */
#footer {position: relative; padding: 45px 0 35px; font-size: 16px; line-height:1.75; color: #8a8a8d; background: #161a23;}
#footer address {font-style:normal;}

.foot-info {}
.foot-info address {}
.foot-info address span {position: relative; display:inline-block;}
.foot-info address .bar {display:inline-block; vertical-align:middle; margin: -.2em 8px 0;  width: 1px; height: 15px; background-color: #484848;}
.foot-info .copyright {display: block;}
.foot-info .copyright a {display: inline-block; color: #262b36; font-size: 12px;}

.foot-logo {margin-top: 15px;}

.scroll-top {position: absolute; right: 7.5%; bottom: 85px; width:56px; height:56px; z-index:101; color:#444e57; font-size:14px; font-weight:200; line-height:1em; text-align:center; padding:15px 0; border: 1px solid #444e57; background:#161a23;}
.scroll-top:before {content:""; display:block; width:12px; height:12px; margin:0 auto 3px; border-left:1px solid #444e57; border-top:1px solid #444e57; transform: rotate(45deg);}