body {
  font-size: 16px;
  background-color: #F4F4F4;
  font-family: "Microsoft YaHei", "宋体", Arial Narrow, Arial, Helvetica, sans-serif, Simsun, Tahoma, "微软雅黑";
}

html,
body,
pre,
code,
legend,
input,
p,
a,
blockquote {
  padding: 0px;
  margin: 0px;
}

address,
article,
aside,
audio,
b,
body,
canvas,
cite,
dd,
div,
dl,
dt,
em,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
html,
i,
iframe,
img,
label,
li,
mark,
menu,
nav,
ol,
p,
section,
small,
span,
sub,
sup,
tfoot,
th,
thead,
time,
tr,
ul,
video,
textarea,

ol,
ul,
li {
  list-style: none;
}

a img,
img,
button,
select {
  outline: 0;
  border: 0;
}

a,
button,
select {
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  background-color: transparent;
  color: inherit;
}

input,
button,
select {
  outline: none;
  border: none;
}

input:focus,
button:focus,
select:focus {
  outline: none;
}


/* select 美化 =============================== */

select {
  /* 去除箭头 */
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
}

/*去除ie浏览器箭头 默认的select样式*/
select::-ms-expand {
  display: none;
  background: none;
}


/* =============================== select 美化 */


.pointer {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: pointer;
}