CSS初始化代码:

/*把所有标签的内外边距清零*/
* {
  margin: 0;
  padding: 0;
}
/*将em和i的文字不倾斜*/
em,
i {
  font-style: normal
}
/*去掉li前的小圆点*/
li {
  list-style: none
}
/*border:0 照顾低版本浏览器,如果图片外面包含了链接会有边框的问题*/
img {
  border: 0;
/*取消图片底侧有空白缝隙的问题*/
  vertical-align: middle
}
/*当我们鼠标经过button显示手指*/
button {
  cursor: pointer
}

a {
  color: #666;
  text-decoration: none
}

a:hover {
  color: #c81623
}

button,
input {
  font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, 
"\5B8B\4F53", sans-serif /*\5B8B\4F53是宋体的意思,用Unicode编码表示*/
}

body {
/*CSS3设置抗锯齿性,让文字显示更清晰*/
  -webkit-font-smoothing: antialiased;
  background-color: #fff;
  font: 12px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB,
 "\5B8B\4F53", sans-serif;
  color: #666
}

.hide,
.none {
  display: none
}
/*清除浮动*/
.clearfix:after {
  visibility: hidden;
  clear: both;
  display: block;
  content: ".";
  height: 0
}

.clearfix {
  *zoom: 1
}

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转载自blog.csdn.net/leraning_/article/details/124806162