*{
    padding:0;
    margin:0;
}
body{box-sizing: border-box;}
body html{

    font-family: "Helvetica Neue", "Microsoft yahei", Helvetica, Arial, sans-serif;
}

li{list-style: none;}
a{text-decoration: none;}
dl{margin-bottom: 0;}
dl dt dd a{text-decoration: none;}
a:hover{text-decoration: none;}


.clearfix:after {
                        content: " ";
                        display: block;
                        clear: both;
                        height: 0;
                    }
.clearfix:after{
                    content: ".";
                    clear: both;
                    display: block;
                    height: 0;
                    visibility: hidden;
                }


.clear{clear: both;}