CSS如何重置样式？CSS样式重置效果的实现（代码实例）

@charset "utf-8";
/* 使用重置样式表 */

html, body, p, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym,
address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, 
var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td{
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;    
}
body{
    line-height:1;
}
ol,ul{
    list-style:none;
}
blockquote, q{
    quotes:none;
}
blockquote:before, blockquote:after, q:before, q:after{
    content: '';
    content:none;
}
/* remeber to define focus styles! */
:focus{
    outline:0;
}
/* remeber to highlight inserts somehow */
ins{
    text-decoration:none;
}
del{
    text-decoration:line-through;
}

/* tables still need 'cellspacing="0" in the markup' */
table{
    border-collapse:collapse;
    border-spacing:0;
}

body, dl, dd, h1, h2, h3, h4, h5, h6, p, form{margin:0;} 

ol,ul{margin:0; padding:0;}