H5公共css样式

/*页面重置样式*/
*{
  margin: 0;
  padding: 0;
  font-family: "PingFang SC";
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  outline: none;
  -webkit-text-size-adjust: none!important;/* ios横屏字体放大 */
}
*:not(input,textarea) {
  -webkit-user-select: none!important;
  -webkit-tap-highlight-color: rgba(200, 200, 200, 0);
}
html,
body {
  margin: 0 auto;
  background: #ffffff;
  font-size: 16px;
}
body{
  max-width: 1600px;
  position: relative;
  margin: 0 auto;

}
img {
  border: none;
  border: 0;
  vertical-align: top;
}
ol,
ul,
li {
  list-style: none;
}
body,
div,
h1,
h2,
h3,
h4,
h5,
h6,
span,
a,
em,
i {
  font-size: 100%;
  font-weight: normal;
}
input,
button {
  border: none;
  outline: none;
  border-radius: initial;
  margin: 0;
  padding: 0;
  background: transparent;
}
a {
  color: #333;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
  outline: none;
  background: none;
  text-decoration: none;
}
a:focus {
  -webkit-tap-highlight-color: transparent!important;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
  background: none;
  text-decoration: none;
}
i,
em {
  font-style: normal;
}
select::-ms-expand {
  display: none;
}
/* 去除Chrome等浏览器文本框默认发光边框 */
input:focus,
textarea:focus {
  outline: none;
}
/* 禁止多行文本框textarea拖拽 */
textarea {
  resize: none;
}
/*全部英文字符下自动换行*/
p {
  word-break: break-all;
}

/* 禁止长按链接与图片弹出复制图片菜单 */
a,
img {
  -webkit-touch-callout: none;
}
/*禁止长按复制*/
/*在 iOS 上，输入框默认有内部阴影 清除输入框内阴影*/
input,
textarea {
  border: 0;
  /* 方法1 */
  -webkit-appearance: none;
  /* 方法2 */
}
/*弹性滑动*/
.naative-auto {
  overflow: auto;
  /* auto | scroll */
  -webkit-overflow-scrolling: touch;
}
/*单行省略......*/
.dwote {
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
/*多行行省略......*/
.dwwo-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.dwwo-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
/*css修改placeholder的颜色*/
::-webkit-input-placeholder {
  color: #a3abb8;
}
:-moz-placeholder {
  color: #a3abb8;
}
::-moz-placeholder {
  color: #a3abb8;
}
:-ms-input-placeholder {
  color: #a3abb8;
}
/**/
/*浮动*/
.float-left {
  float: left;
}
.float-right {
  float: right;
}
.clear-float::after,
.clear-float::before {
  content: "\200B";
  display: block;
  height: 0;
  clear: both;
}
/*定位*/
.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.text-center{
  text-align: center;
}
.bold{
  font-weight:700;
}
.close-bold{
  font-weight: normal!important;
}