html{
    height: 100%;
}
body{
    height:100%;
}
.nav{
    float:left;
    width: 15%;
    height:100%;
    background:#F0F0F0;
}
.htmlBox{
    float: left;
    width:85%;
    height:100%;
}
.navBox{
    width: 90%;
    height: auto;
    overflow: hidden;
    background:#fff;
}
.title{
    width: 100%;
    height:100px;
    background:#1b3162;
    padding: -1px 15px 0;
}
.title em{
    font-size: 16px;
    color:rgba(255,255,255,0.2);
    font-family: Arial;
    font-style: normal;
    line-height: 30px;
}
.title span{
    font-size:20px;
    color:#fff;
}
.nav_ul{
    width:100%;
    height:auto;
    overflow: hidden;
}
.nav_li{
    float:left;
    width: 100%;
    line-height: 50px;
    font-size:16px;
    color:#555;
    padding-left:15px;
    padding-right:10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}
.nav_span{
    float:right;
    display: none;
}
.Bread_line{
    width: 100%;
    height:40px;
    line-height: 40px;
    padding-left: 20px;
    font-size:14px;
    color:#333;
    background: #F0F0F0;
}