body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre, 
form,fieldset,input,textarea,p,blockquote,th,td { 
    padding: 0; 
    margin: 0; 
}
body {
    font: 12px "微软雅黑";
}
table { 
    border-collapse: collapse; 
    border-spacing: 0; 
} 
fieldset,img { 
    border: 0; 
} 
address,caption,cite,code,dfn,em,strong,th,var { 
    font-weight: normal; 
    font-style: normal; 
} 
ol,ul { 
    list-style: none; 
} 
caption,th { 
    text-align: left; 
} 
h1,h2,h3,h4,h5,h6 { 
    font-weight: normal; 
    font-size: 100%; 
} 
q:before,q:after { 
    content:''; 
} 
abbr,acronym { 
    border: 0; 
}

a {
    text-decoration: none;
    outline: 0 none;
    huerreson:expression(onfocus=function(){this.blur()});
}
.backToTop {
    position: fixed;
    right: 50%;
    bottom: 209px;
    margin-right: -639px;
}