a,body,button,div,dl,dt,h1,h2,h3,h4,h5,h6,input,li,p,select,textarea,ul{margin:0;padding:0;outline:none}body,html{font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;color:#333;background-color:#fff;font-size:.4rem}a{text-decoration:none}li,ul{list-style:none}input{font:normal}a:focus,input:focus{outline:none}body,html{height:100%}