body {
	padding: 0px;
    margin: 0px;
    font-family: 'Roboto','Roboto Condensed','Microsoft JhengHei', 'Microsoft YaHei', Helvetica, Arial, Lucida, sans-serif;
    /*text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);*/
    background: #1a1a1a;
    line-height: 1.5em;
    box-sizing: border-box;
    -webkit-text-size-adjust: none;
    color:#4C4C4C;
    box-sizing: border-box;
	letter-spacing: 0.1em;
}
a , a:hover {
	text-decoration: none;
}
ul, ul li {
	list-style-type: none;
	padding: 0;
	margin: 0;
}
img {
	max-width: 100%;
}

.overlay_close {
	width: 40px;
	height: 40px;
	background: url(../images/iconmonstr-x-mark-2.svg) no-repeat center center #58BCE8;
	background-size: 24px 24px;
	position: absolute;
	right: 0;
	top:0;
}
.header_search {
	background: url(../images/icon_search.png) no-repeat center center;
	background-size: cover;
	height: 40px;
	width: 40px;
	float:right;
	margin:23px 15px 0 0;
}
.header_menu {
	background: url(../images/icon_menu.png) no-repeat center center;
	background-size: cover;
	height: 40px;
	width: 40px;
	float:right;
	margin:23px 0px 0 0;
}
.overlay_header {
	position: fixed;
	z-index: 1000;
	width: 100%;
	height: 100%;
	background: rgba(38,127,187,0.97);
	display: none;
}
.overlay_header_menu {
	position: fixed;
	z-index: 1000;
	width: 100%;
	height: 100%;
	background: rgba(38,127,187,0.97);
	display: none;
}
.search_full {
	width: 800px;
	position: absolute;
	left: 50%;
	top:50%;
	transform: translate(-50%,-50%);
}
.menu_full {
	padding: 120px 90px;
}
.open {
	display: block;
}
 #mk-fullscreen-searchform #mk-fullscreen-search-input {
    width: 800px;
    background-color: transparent;
    -webkit-box-shadow: 0 3px 0 0 rgba(255, 255, 255, .5);
    -moz-box-shadow: 0 3px 0 0 rgba(255, 255, 255, .5);
    box-shadow: 0 3px 0 0 rgba(255, 255, 255, .5);
    border: 0;
    text-align: center;
    font-size: 35px;
    padding: 20px;
    color: #fff;
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    -o-transition: all .3s ease-out;
    transition: all .3s ease-out;
}
 #mk-fullscreen-searchform #mk-fullscreen-search-input::placeholder {
 	color:#fff;
 }
#mk-fullscreen-searchform .fullscreen-search-icon {
    font-size: 25px;
    position: absolute;
    right: 15px;
    width: 25px;
    top: 30px;
    color: #fff;
    color: rgba(255, 255, 255, .2);
    -webkit-transition: all .2s ease-out;
    -moz-transition: all .2s ease-out;
    -ms-transition: all .2s ease-out;
    -o-transition: all .2s ease-out;
    transition: all .2s ease-out;
}
#mk-fullscreen-searchform input[type=submit] {
    position: absolute;
    width: 100px;
    height: 100%;
    background-color: transparent;
    border: 0;
    right: 0;
    top: 0;
}
.fa-search:before {
    content: "\f002";
    color:#fff;
}
.warp_block {
	max-width: 1600px;
	display: block;
	margin: 0 auto;
	padding: 0 90px;
}
.nav_wrap {
	max-width: 1600px;
	display: block;
	margin: 0 auto;
	padding: 0 90px;
}
.dell_event_wrap {
	max-width: 1600px;
	display: block;
	margin: 0 auto;
	background: #fff;
	padding: 0px 0 0 0;
}
.tab-group {
  list-style: none;
  padding: 0;
  margin: 0 0 40px 0;
}
.tab-group:after {
  content: "";
  display: table;
  clear: both;
}
.tab-group li {
    padding: 0 3% 0 0;
    float: left;
    min-width: 15%;
}
.tab-group li a {
  display: inline;
  text-decoration: none;
  color: #fff;
  font-size: 20px;
  text-align: left;
  cursor: pointer;
  transition: .5s ease;
  padding: 15px;
  border-bottom: 3px solid transparent;
}
.tab-group li a:hover {
	border-bottom: 3px solid #00BAE5;
	color: #ffffff;
}
.tab-group .active a {
	border-bottom: 3px solid #00BAE5;
	color: #fff;
}
.tab-content > div {
	display: none;
	padding:0 15px;
}
.tab-content > div:first-child {
	display: block;
}
.nav_header_wrap {
	width: auto;
    height: 100%;
    font-size: 18px;
    margin:50px 0 0 0;
}
.tab-content .header_contact {
	border-left: 1px solid #fff;
	height: 100vh;
	float:right;
	color:#fff;
	padding-left: 50px;
	width: 40%;
}
.tab-content .header_link_list {
	float:left;
	width: 60%;
}
.tab-content .header_link_list ul li {
	margin:0 0 2em 0;
}
.tab-content .header_link_list ul li a {
	color:#fff;
	font-size: 24px;
}




nav .logo_dell {
	float:left;
	margin: 30px 30px 0 0;
	width: 140px;
}
nav .logo_mircosoft {
	float:left;
	margin: 23.5px 30px 0 0;
	width: 160px;
}
nav .search-block {
	float: right;
	padding: 20px 0 0 0;
	position: relative;
}
footer {
	width: 100%;
	float:left;
	background: #000;
	padding: 50px 0;
	color:#fff;
}
footer .copyright {
	float:left;
	width: 100%;
	margin: 30px 0 0 0;
	font-size: 15px;
	text-align: justify;
}
footer .contact {
	float:left;
	width: calc(100% - 370px);
	padding: 30px 0 0 85px;
	background: url(../images/icon_logo.png) no-repeat left center;
	background-size: auto 65px;
}
footer .contact p {
	float:left;
	width: 100%;
	margin: 0;
}
footer .btn_facebook {
	float: right;
	background: url(../images/btn_fb.png) no-repeat 0 0;
	background-size: 100% auto;
	width: 350px;
	height: 82px;
	/*height: 120px;*/
}

@media (max-width: 900px) {
	footer .contact {
		float:left;
		width: calc(100% - 300px);
		padding: 20px 0 0 0px;
		background: none;
		/*background-size: auto 55px;*/
	}
	footer .btn_facebook {
		float: right;
		background: url(../images/btn_fb.png) no-repeat 0 0;
		background-size: 100% auto;
		width: 280px;
		height: 65px;
		/*height: 120px;*/
	}
}
@media (max-width: 850px) {
	#search-content .square {
		width: 250px;
		border: 3px solid #007db8;
	}
}


@media (max-width: 768px) {
	.warp_block {
		padding: 0 50px;
	}
	.nav_wrap {
		padding: 0 50px;
	}
	.dell_event_wrap {
		padding-top: 0px;
	}
	nav {
		height: 70px;
	}
	nav .logo_dell {
		float:left;
		margin: 25px 30px 0 0;
		width: 100px;
	}
	nav .logo_mircosoft {
		float:left;
		margin: 25px 30px 0 0;
		width: 120px;
	}
	nav .search-block {
		padding:15px 0 0 0;
	}
	.header_search {
		height: 30px;
		width: 30px;
		margin:23px 15px 0 0;
	}
	.header_menu {
		height: 30px;
		width: 30px;
		margin:23px 0px 0 0;
	}
	footer .contact {
		float:left;
		width: 100%;
		margin:0 0 15px 0;
	}
	footer .btn_facebook {
		float: right;
		background: url(../images/btn_fb.png) no-repeat 0 0;
		background-size: 100% auto;
		width: 250px;
		height: 58px;
	}
}
@media (max-width: 480px) {
	.nav_wrap {
	    padding: 0 30px;
	}
	nav .logo_dell {
		float:left;
		margin: 25px 15px 0 0;
		width: 60px;
	}
	nav .logo_mircosoft {
		float:left;
		margin: 25px 15px 0 0;
		width: 80px;
	}
	.header_search {
		height: 25px;
		width: 25px;
		margin:23px 15px 0 0;
	}
	.header_menu {
		height: 25px;
		width: 25px;
		margin:23px 0px 0 0;
	}
	footer .copyright {
		font-size: 12px;
	}
	.warp_block {
	    padding: 0 30px;
	}
}