body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
legend,
input,
button,
textarea,
p,
th,
td {
    margin: 0;
    padding: 0;
    font-size: 12px;
}

img {
    border: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 14px;
}

input,
button,
textarea,
select,
optgroup,
option {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
}

input,
button,
textarea,
select {
    *font-size: 100%;
}

ul {
    list-style: none;
}

a {
    /* 取消下划线 */
    text-decoration: none;
    /* 取消选中时的背景色 */
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}


/* 已读时的字体颜色 */

a:visited {
    color: transparent;
}


/* 点击时的字体颜色 */

a:active {
    color: #ffffff;
}

:link,
:visited {
    text-decoration: none;
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    zoom: 1;
}