Reset.css

新浪的初始化：

html,body,ul,li,ol,dl,dd,dt,p,h1,h2,h3,h4,h5,h6,form,fieldset,legend,img {
    margin: 0;
    padding: 0
}
fieldset,img {
    border: 0
}
img {
    display: block
}
address,caption,cite,code,dfn,th,var {
    font-style: normal;
    font-weight: normal
}
ul,ol {
    list-style: none
}
input {
    padding-top: 0;
    padding-bottom: 0;
    font-family: "SimSun","宋体"
}
input::-moz-focus-inner {
    border: 0;
    padding: 0
}
select,input {
    vertical-align: middle
}
select,input,textarea {
    font-size: 12px;
    margin: 0
}
input[type="text"],input[type="password"],textarea {
    outline-style: none;
    -webkit-appearance: none
}
textarea {
    resize: none
}
table {
    border-collapse: collapse
}

京东的初始化：

* {
    margin: 0;
    padding: 0
}
em,i {
    font-style: normal
}
li {
    list-style: none
}
img {
    border: 0;
    vertical-align: middle
}
button {
    cursor: pointer
}
a {
    color: #666;
    text-decoration: none
}
a:hover {
    color: #c81623
}

大众版初始化：

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
h1,h2,h3,h4,h5,h6,em,i {
    font-weight: 100;
    font-style: normal
}
ul,ol,li {
    list-style-type: none
}
a {
    color: #666;
    text-decoration: none;
    outline: 0
}
a:hover {
    text-decoration: none
}