body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, form, fieldset, legend, input, textarea, p, th, td,figure{margin: 0; padding: 0;}

body{
    font-size:16px;
    font-family:"Microsoft YaHei";
}

li{
    /* 清除列表符号 */
    list-style:none;
}
u,a{
    /* 去掉下划线 */
    text-decoration:none;
}
a {
    color: #666666;
}

i,em{
    /* 不再倾斜 */
    font-style:normal;
}

b,strong{
    /* 不再加粗 */
    font-weight:normal;
}

h1,h2,h3,h4,h5,h6{
    font-weight:normal;
    font-size:16px;
}

img{
    /* 边框清零 */
    border:none;
    display: block;
}

input{
    outline:none;
}

/* 父元素坍塌 */
.clear_fix::after{
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}
.clear_fix{
    zoom: 1;
}