body{ font-size:14px; font-family: Arial, microsoft yahei; min-width: 1150px; }
*{ padding:0; margin:0; border:0}
.pull-left{ float:left; }
.pull-right{ float:right; }
.clearfix{ clear:both; }
.text-center{ text-align: center; }

.contain{ overflow: visible; width: 1044px;
    position: relative; }

/*-----------  header  ----------*/
.logo{ margin-top: 40px; }
.top{ height: 28px; padding-top: 12px; width: 180px; }
.language{ color:#a9a9a9; display: inline-block; margin-right: 0px;}
.language a{ color: #636363; padding: 0 9px; }
.language a.top-active,.language a:hover{ color: #0060af; font-weight: bold; }

.top-share{ display: inline-block;  }
.top-share a{ position: relative; }
.top-icon{ display: inline-block; width: 20px; height: 20px; margin: 0 4px; background: url("../images/top-icon.png") no-repeat left top; }
.weixin .top-icon{ background: url("../images/top-icon.png") no-repeat right top;}
.erweima{ position: absolute; top: -18px; left: 3px; font-size: 12px; color: #999999; width: 25px; height: 20px; }

.nav{ overflow: hidden }
.nav li{ float: left; }
.nav li a{ font-size: 15px; font-weight: bold; color: #292929; width: 93px; height: 80px; line-height: 80px; text-align: center; display: block }
.nav li a.active,.nav li a:hover{ color: #fff; background-color: #0060af; }

.header { /* position:fixed; */ position:relative; width:100%; height:120px; z-index:9911; background:#fff; }
.header.sticky { position:fixed; top:-120px; left: 0; right: 0; z-index:999; -webkit-transition:1s top cubic-bezier(.3, .73, .3, .74); -moz-transition:1s top cubic-bezier(.3, .73, .3, .74); transition:1s top cubic-bezier(.3, .73, .3, .74); }
body.down .header.sticky { top:0; }
/*-----------  header  ----------*/


.clearfix, #contents, .section {
    display: block;
    min-height: 1%;
}
#wrapper {
    position:relative;
    margin: 0 auto;
    width: 100%;
    text-align: left;
    overflow: hidden;
}
#contents {
    margin: 0 auto;
    width: 100%;
    text-align: left;
}
#mainimg {
    position:absolute;
    top:120px;
    left:0;
    width: 100%;
    height: 100%;
    margin-top:0;
    background-color: #fff;
    overflow: hidden;
    z-index:0;
}
#mainimgIn {
    position:relative;
}

#mainVisual {
    position: relative;
}
.section {
    margin: 0 auto;
    width: 100%;
    text-align: left;
}
#mainVisualTxt {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -300px 0 0 -357px;
    width: 714px;

    text-align: center;
}
.ttl{ font-size: 24px; color: #fff; }
.ttl span{ font-weight: bold; font-size: 60px; line-height: 91px;}
.txt{ font-size: 20px; color: #fff; font-family: Verdana; line-height: 2.25; margin-top: 30px }
.txt span{ font-weight: bold; font-size: 30px;  line-height: 1.87; display: block;margin-bottom: 10px;}

#mainVisualPR {
    display: none;
    position: absolute;
    left: 0;
    bottom: 0;
    margin: 0 auto;
    width: 100%;
    height: 45px;
    text-align: left;
    overflow: hidden;
    background: url(../images/bg_black07.png) repeat 0 0;
}
#mainVisualPRIn {
    position: relative;
    margin: 13px auto 12px;
    width: 980px;
    height: 20px;
    overflow: hidden;
    text-align: left;
    z-index: 10;
}
#mainVisualPR .mainNews {
    float:left;
    width: 530px;
    padding:0 0 1px 0;
    overflow: hidden;
}
#mainVisualPR dl {
    width: 100%;
}
#mainVisualPR dt {
    display: none;
    float: left;
    clear: both;
    width: 115px;
    text-align: center;
    color: #fff;
}
#mainVisualPR dd {
    display: none;
    margin-left:130px;
    width: 390px;
}
#mainVisualPR dd a{
    display:inline-block;
    color:#fff;
    white-space: nowrap;
    overflow: hidden;;
    text-overflow: ellipsis;
    width: 100%;
}
.tt2{ font-size: 13px; font-weight: bold; color: #fff; border-left: 4px solid #fff; padding-left: 14px; width: 85px; float: left; }
#mainVisualPR .btn{
    position:relative;
    float:left;
    color:#fff;
    letter-spacing:-0.1em;
}
.btn_scroll01 {
    width: 564px;
    height: 46px;
    position: absolute;
    left: 50%;
    bottom: 50%;
    margin-left: -282px;
    margin-bottom: -230px;
    z-index: 10;
    overflow: hidden;
    background: url("../images/banner-icon.png") no-repeat 0 0;
    -webkit-transition: all 0.2s ease-in-out;
    -moz-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
.btn_scroll01:hover{
    background: url(../images/banner-icon.png) no-repeat 0 0;
}

.bx-viewport{
    height: 100%;}


#topBanner{
    position:relative;
    height:794px;
    padding:80px 0 0;
    background: url(../images/bg_section01.jpg) top center no-repeat;
    background-size:cover;
}
.section{
    margin: 0 auto;
    width: 100%;
    text-align: left;
}
.section .sectionIn{
    width:980px;
    margin: 0 auto;
    text-align: left;
}
#topBanner li#nav01{
    width:100%;
    height:200px;
    text-align: center;
    background: none;
    display: block;
}
#topBanner li#nav01 h1{
    font-size: 26px;
    font-weight: normal;
    color: #ffffff;
    margin: 25px 0;
}
#topBanner li#nav01 h1>span{
    display: inline-block;
    width: 40px;
}
#topBanner li#nav01 p{
    font-size: 14px;
    color: #ffffff;
    line-height: 1.7;
}

#topBannerIn{
    position:relative;
    height:720px;
}

#topBanner ul{
    overflow:hidden;
    width: 1056px;
    margin-left: -38px;
}
#topBanner li{
    opacity:0;
}
#topBanner li a{
    display:block;
    height:100%;
}
#topBanner li a:hover{
    opacity:1;
    text-decoration:none;
}
#topBanner li a .figure{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}
#topBanner li a .inner01{
    display: table;
    width:100%;
    height:100%;
}
#topBanner li a .inner02{
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    background-color: rgba(0,0,0,0.20);
    position: relative;
    z-index: 1;
    color: #fff;
    -webkit-transition: background-color .2s ease;
    transition: background-color .2s ease;
}
#topBanner li a:hover .inner02{
    background-color: rgba(0,0,0,0);
}

#topBanner li .ttl{
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 6px;}
#topBanner li#nav02,#topBanner li#nav03,#topBanner li#nav04,#topBanner li#nav05{
    width: 518px;
    height: 255px;
    float: left;
    position: relative;
    margin: 0 5px 7px;
    z-index:2;
}

.main{
    width: 1044px;
    margin: 0 auto;}
.aboutus{
    overflow: hidden;
    border-bottom: 1px solid #dbdbdb;
    padding-bottom: 25px;
    margin-top: 50px;}
.aboutus li{
    float: left;
    width: 330px;
    overflow: hidden;
    margin-right: 27px;}
.aboutus li:last-child{
    margin-right: 0;}
.aboutus li h1{
    display: block;
    font-size: 16px;
    color: #333333;
    line-height: 2;
    width: 30px;
    overflow: visible;
    border-bottom: 4px solid #1b5ea6;
    white-space: nowrap;
    margin: 15px 0 0;
    font-weight: bold;}
.aboutus li p{
    margin-top: 18px;
    font-size: 14px;
    color: #333333;
    line-height: 1.72;
}
.indexNews{
    width: 500px;
    margin-top: 60px;
}
.indexNews .title{
    border-bottom: 1px solid #ebebeb;
    overflow: hidden;
    height: 34px;
    line-height: 34px;
    margin-bottom: 15px;}
.indexNews .title h1{
    font-size: 18px;
    color: #262626;
    font-weight: bold;}
.indexNews .title span{
    font-size: 16px;
    color: #b5b5b5;
    margin-left: 15px;
    margin-top: 4px;}
.indexNews .more{
    float: right;
    font-size: 14px;
    color: #333333;
    text-align: right;
    background: url(../images/more.png) right 5px center no-repeat;
    padding-right: 25px;
}
.indexNews li{
    font-size: 14px;
    line-height: 3;
    overflow: hidden;
    color: #4c4c4c;}
.indexNews li h2{
    display: block;
    font-weight: bold;
    float: left;
    width: 90px;}
.indexNews li h3{
    display: block;
    color: #333333;
    font-weight: normal;
    width: 410px;
    float: left;}


.product-box{
    background: #e0e0e0;
    position: relative;
    padding: 70px 0;
    margin: 50px 0;}
.product{
    width: 1044px;
    margin: 0 auto;}
.product ul{
    width: 100%;
    overflow: hidden;}
.product li{
    float: left;
    width: 240px;
    height: 160px;
    margin: 0 7px;
    position: relative;}
.product li h1{
    position: absolute;
    font-size: 26px;
    font-weight: bold;
    color: #ffffff;
    text-align: center;
    height: 30px;
    line-height: 30px;
    width: 100%;
    left: 0;
    top: 50%;
    margin-top: -15px;
    text-shadow:0 0 8px #000;
}
.product li img{
    width: 100%;
    height: 100%;
}
.next,.prev{
    display: block;
    width: 20px;
    height: 35px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -18px;
    cursor: pointer;
}
.next{ background: url(../images/next.png) left top no-repeat;
    margin-left: 520px;}
.prev{ background: url(../images/prev.png) left top no-repeat;
    margin-left: -540px; }

.foot{
    width: 1044px;
    margin: 0 auto;
    overflow: hidden;}
.foot dl{
    float: left;
    width: 150px;}
.foot dt{
    font-size: 16px;
    color: #333333;
    margin-bottom: 12px;
}
.foot dd{
    background: url(../images/dd.png) left center no-repeat;
    font-size: 14px;
    color: #333333;
    padding-left: 10px;
    line-height: 34px;
}
.foot .content{
    width: 280px;}
.foot .content dd{
    padding: 0;
    background: none;}
.copyright{
    line-height: 80px;
    background: #1b5ea6;
    font-size: 14px;
    color: #ffffff;
    text-align: center;
    margin-top: 80px;}

.nav-child{
    display: none;
    position: absolute;
    width: 93px;
    left: 486px;
    top: 120px;
    background: url(../images/nav-child.png);
}
.nav-child li{
    text-align: center;
    color: #ffffff;
    line-height: 40px;}
.nav-child li a{
    color: #ffffff;
}


/*关于我们*/
.banner{
    height: 180px;
}
.column{ overflow: hidden; height: 60px; line-height: 60px; border-bottom: 1px solid #e8e8e8;}
.column h1{ float: left; font-size: 16px; color: #474747; font-weight: bold;}
.column ul{
    overflow: hidden;
    float: left;}
.column li{
    width: 105px;
    float: left;
    font-size: 16px;
    color: #616161;
    cursor: pointer;}
.column li:hover,.column li.active{
    color: #0060af;
    font-weight: bold;}

.tab-about{ overflow: hidden; padding-bottom: 25px; border-bottom: 1px dashed #b5b5b5;}
.tab-about a{ display: block; width: 174px; float: left; text-align: center; font-size: 16px; color: #5b5b5b;}
.tab-about i{ display: block; margin: 30px auto; width: 80px; height: 80px;}
.tab-about a:nth-child(1) i{ background: url(../images/tab-about1.png) left top no-repeat;}
.tab-about a:nth-child(2) i{ background: url(../images/tab-about2.png) left top no-repeat;}
.tab-about a:nth-child(3) i{ background: url(../images/tab-about3.png) left top no-repeat;}
.tab-about a:nth-child(4) i{ background: url(../images/tab-about4.png) left top no-repeat;}
.tab-about a:nth-child(5) i{ background: url(../images/tab-about5.png) left top no-repeat;}
.tab-about a:nth-child(6) i{ background: url(../images/tab-about6.png) left top no-repeat;}
.tab-about a.active i,.tab-about a:hover i{background-position: right top;}
.tab-about .active,.tab-about a:hover {color: #0060af; font-weight: bold;}

.cp-box{
    width: 830px;
    float: right;
    padding-bottom: 30px;
    min-height: 30px;
}
.tab-box{
    color: #333333;
    font-size: 14px;
    line-height: 2;
    width: 1044px;
    overflow: hidden;}
.tab-box p{
    margin: 35px 0;
}
.ej_foot{
    overflow: hidden;
    background: #0060af;
    padding: 25px 0 0;
}
.ej_foot a{
    color: #ffffff;}
.ej_foot .foot dl{
    width: 120px;}
.ej_foot .foot dd{
    background: url(../images/dd-white.png) left center no-repeat;
    color: #ffffff;
}
.ej_foot dl.content{
    width: 270px;}
.foot .ewm{
    float: right;
    margin-right: 20px;
    width: 136px;
    text-align: center;
    color: #ffffff;
}
.foot .ewm img{
    width: 100%;
    margin-bottom: 10px;}
.ej_foot .copyright{
    width: 1044px;
    margin: 15px auto 0;
    height: 55px;
    line-height: 30px;
    background: none;
    padding: 10px 0;
    border-top: 1px solid #3380bf;}
.three{
    overflow: hidden;}
.three li{
    width: 33%;
    float: left;
    text-align: center;
    font-size: 16px;
    color: #333333;
    font-weight: bold;}
.three li img{
    display: block;
    margin: 0px auto 20px;}

.clear{
    clear: both;}
.qywh{
    width: 500px;
    margin-left: 40px;}
.qywh p{
    margin-top: 0;
    line-height: 1.7;}



/*产品中心*/
.tab-product{ overflow: hidden;}
.tab-product{ padding-top: 20px; }
.tab-product .left-nav{  float: left; width: 200px;}

.tab-box-product{ overflow: hidden;  padding: 30px 20px 0; background: #f5f5f5; width: 790px;}
.tab-box-product li{ display: inline-block; width: 250px; height: 200px; overflow: hidden; float: left; margin-right:20px; position: relative; cursor: pointer; margin-bottom: 20px; }
.tab-box-product li:nth-child(3n){ margin-right: 0; }
.tab-box-product li img{ width: 100%;}
.tab-box-product li>a{ display: none;}
.tab-box-product li>h1{ position: absolute; display: block; line-height: 46px; background: #808080; color: #ffffff; font-weight: normal; font-size: 16px; width: 100%; left: 0; bottom: 0; text-align: center; }
.tab-box-product .active h1{ display: none;}
.tab-box-product .active a{ position: absolute; width: 100%; height: 100%; left: 0; top: 0; background: url(../images/product-a.png); text-align: center; color: #ffffff;}
.tab-box-product .active a>p{ font-size: 22px; position: absolute; text-align: center; width: 100%; top: 18px; }
.tab-box-product .active .btn{ width: 128px; height: 38px; line-height: 38px; color: #ffffff; border: 1px solid #ffffff; text-align: center; font-size: 16px; position: absolute; left: 50%; margin-left: -65px; top: 120px;}

.product-text{ overflow: hidden; padding: 0px 25px 25px; background: #f5f5f5; margin-bottom: 20px;}
/*.product-text h1{ text-align: center; font-size: 28px; color: #3d3d3d; font-weight: bold;}*/
.product-text img{ display: inline-block; margin: 0 auto 0;}


.cp-list{ overflow: hidden; border-bottom: 1px solid #ededed; padding: 15px 0 0;}
.cp-list li{ float: left; padding:0 10px; margin-bottom: 10px; }
.cp-list li a{ color: #565656; font-size: 18px; }
.cp-list .cp-list-active a{ color: #0060af; border-bottom: 2px solid #0060af; padding-bottom: .5rem; font-weight: bold;}


/*生产设备*/
.scsb{ padding-top: 20px;}
.scsb .left-nav{ overflow: hidden; float: left; width: 270px; }

.first>h1,.first>a{ font-size: 16px; color: #333333; font-weight: bold; padding: 12px 0; cursor: pointer;}
.first>h1>i,.first>a>i{ display: inline-block; margin-right: 14px; width: 0; height: 0; border-left: 5px solid #aeaeae; border-top: 6px solid transparent; border-bottom: 5px solid transparent; }
.first .active{ color: #0060af;}
.first .active>i{ border-top: 5px solid #0060af; border-left: 6px solid transparent; border-right: 5px solid transparent; }
.second{ }
.second li{ color: #4c4c4c; font-size: 14px; line-height: 1.5; padding: 7px 0 7px 40px; background: url(../images/li.png) 20px 14px no-repeat;}
.second li:hover,.second li.active{ background: url(../images/li-h.png) 20px 14px no-repeat;}
.second li:hover>a,.second li.active>a{color: #0060af;}
.second>li{ position: relative; }
.third{ position:absolute; top:-147px; left: 110px; display: none; }
.third li:hover a,.third li.active a,.second>li:last-child:hover a.active{color: #0060af!important;}
.third li,.third li:hover,.third li.active{ background: none;}
.third li{ padding-left: 15px; }
.second>li:first-child ul.third{ top: -17px; left: 88px}

.img-box{  padding: 10px 15px; text-align: center; font-size: 16px;}
.img-box img{ margin-bottom: 10px; }
.scsb .text{ width: 710px; float: right;  background: #ececec; padding: 0 25px 30px; margin-bottom: 30px; }
.scsb .text p{ font-size: 14px; line-height: 2; color: #333333; }
.scsb .text h1{ padding: 0 63px;}


/*新闻中心*/
.news{ padding-bottom: 30px; }
.news ul,.news li{ overflow: hidden;}
.news li{ padding: 40px 0; border-bottom: 1px dashed #cdcccc;}
.news li .pull-left{ width: 300px;}
.news li .pull-left img{ width: 100%;}
.news li .pull-right{ width: 720px;}
.news li .pull-right h1{
    color: #333333;
    font-size: 18px;}
.news li .pull-right p{
    color: #4c4c4c;
    font-size: 14px;
    margin: 30px 0;}
.news li .pull-right span{
    font-size: 16px;
    color: #333333;}
.news li .pull-right a{
    margin-left: 20px;
    font-size: 16px;
    color: #0060af;}



/*新闻中心*/
.news-title{ border-bottom: 1px dashed #e5e5e5; padding-top: 45px; padding-bottom: 35px; }
.news-title h1{ font-size: 24px; color: #333333; text-align: center; margin-bottom: 20px;}
.news-title span{ display: block; font-size: 16px; color: #666666; text-align: center; }
.news-txt{ padding-top: 43px; padding-bottom: 25px;}
.news-txt img{ display: block; margin: 0 auto 55px; }
.news-txt p{ font-size: 16px; color: #333333; line-height: 1.7; margin-bottom: 20px; }



/*人才战略*/
.rczl p{
    font-size: 16px;
    color: #333333;
    line-height: 1.75;
    margin: 30px 0;}

/*发展历程*/
.history-up,.history-down{
    display: block;
    cursor: pointer;
    margin: 0 auto;}
.history,.history li{
    display: block;
    overflow: hidden;
    position: relative;
    font-size: 16px;
    line-height: 30px;
    color: #333333;}
.history{
    position: relative;
    height: 600px;
    overflow: hidden;}
.history ul{
    position: absolute;
    top: 0;
    width: 100%;
    left: 0;}
.history li{margin: 30px 0 50px;}
.line{
    position: absolute;
    left: 50%;
    width: 1px;
    background: #efefef;
    height: 100%;
}
.spot{
    position: absolute;
    width: 9px;
    height: 9px;
    -webkit-border-radius: 100px;
    -moz-border-radius: 100px;
    border-radius: 100px;
    background: #efefef;
    left: 50%;
    margin-left: -4px;
    top: 10px;}
.history .pull-left{
    width: 505px;
    text-align: right;}
.history .pull-right{
    width: 500px;}
.history .year{
    font-size: 24px;
    color: #616161;}


/*基本样式*/
.poster-main{
    width: 1000px;
    height: 600px;
    position: relative;
    margin: 30px auto;
}
.poster-main a,.poster-main img{
    display:block;
}
.poster-main .poster-list{
    width: 1000px;
    height: 500px;
}
.poster-main .poster-list .poster-item{
    width: 200px;
    height: 500px;
    position:absolute;
    left:0px;
    top:0;
}
.poster-main .poster-btn{
    position:absolute;
    top:0;
    z-index:10;
    cursor:pointer;
}
.poster-item h1{ display: none; }
.poster-main .poster-prev-btn{
    left:-150px;
    background: url(../images/left.png) no-repeat center center;
}
.poster-main .poster-next-btn{
    right:-150px;
    background: url(../images/right.png) no-repeat center center;
}


/*企业文化*/
.qywh-list{ overflow: hidden; margin-top: 60px; margin-bottom: 73px;}
.qywh-list li{ float: left; width: 33.3333%; }
.qywh-txt{ margin-left: 9px; padding-top: 4px;}
.qywh-txt h2{ font-size: 18px; color: #333333; font-weight: bold; margin-bottom: 4px;}
.qywh-txt span{ font-size: 13px; color: #636363; }



#page{ text-align: center; margin-top: 20px; }
#page a{ color: #146dd2;}










/*----------联系我们 留言提交-------------*/
.ly-box h1{ font-size: 24px; color: #0068b7; line-height: 35px; border-bottom: 1px solid #e5e4e4; }
.ly-group{ overflow: hidden; margin-top: 20px; padding-left: 20px;}
.ly-name{ width: 60px; }
.ly-input{ margin-left: 10px; margin-right: 5px; }
.ly-input input{ padding: 2px 2px 2px 10px; width: 200px; background: #e9e9e9; border: 0; border: none; height: 25px;  line-height: 25px; }
.ly-input textarea{ padding: 5px 2px 2px 10px; width: 300px; background: #e9e9e9; border: 0; border: none;  }

.submit{
    width: 120px;
    line-height: 40px;
    height: 40px;
    text-align: center;
    color: rgb(255, 255, 255);
    font-size: 22px;
    letter-spacing: 5px;
    margin: 30px auto 0;
    cursor: pointer;
    background: rgb(0, 116, 204); }

.ly-box{ width: 420px; }
/*------  在线客服  ---------*/
#floatDivBoxs{width:230px;background:#fff;position:fixed;top:121px;right:0;z-index:999;}
#floatDivBoxs .floatDtt{width:100%;height:45px;line-height:45px; background:#53a1e2;color:#fff;font-size:18px;text-indent:22px;position:relative;}
#floatDivBoxs .floatDqq{padding:0 14px;}
#floatDivBoxs .floatDqq li{height:45px;line-height:45px;font-size:15px;border-bottom:1px solid #e3e3e3; padding:0 0 0 50px;}
#floatDivBoxs .floatDtxt{font-size:18px;color:#333;padding:12px 14px;}
#floatDivBoxs .floatDtel{ padding:0 0 15px 10px; font-size: 26px; color: #5555cf;}
#floatDivBoxs .floatDtel img{display:block;}
#floatDivBoxs .floatDbg{width:100%;height:20px;background:url(../images/online_botbg.jpg) repeat;box-shadow:-2px 0 3px rgba(0,0,0,0.25);}
.floatDtt.shadow{ background:#fff;box-shadow:-2px 0 3px rgba(0,0,0,0.2);}
.floatShadow{ box-shadow:-2px 0 3px rgba(0,0,0,0.2);}
#rightArrow{width:50px;height:45px;background:url(../images/online_arrow.jpg) no-repeat;position:fixed;top:121px;right:230px;z-index:999;}
#rightArrow a{display:block;height:45px;}
.floatShadow dl {
    font-size: 0;
    padding: 10px 0 10px 8px;
    font-size: 15px;
    color: #333;
}
.floatShadow dl.btm {
    border-bottom: 1px solid #cfcfcf;
}
.floatShadow dl dt {
    display: block;
    width: 24px;
    height: 25px;
    float: left;
}
.floatShadow dl dd {
    display: block;
    margin-left: 7px;
    padding-bottom: 14px;
    float: left;
}
.floatShadow dl dd.mrl {
    margin-left: 31px;
}
.floatShadow dl dd.btm {
    border-bottom: 1px dashed #cfcfcf;
    margin-bottom: 14px;
}
.cp-top{ text-align: center; font-size: 25px; color: #fff; font-weight: bold; background:url(../images/cp-title.png) no-repeat; background-size: 100% 100%; height: 61px; line-height: 61px;
    display: table; padding: 0 34px; margin-top: 15px;
}
.clearfix {
    zoom: 1;
}
.clearfix:after {
    display: block;
    content: '';
    height: 0;
    clear: both;
    visibility: hidden;
}