移动端base.css的内容，

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

input {
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clearfix::before,
.clearfix::after {
  content: '';
  display: block;
  line-height: 0;
  height: 0;
  clear: both;
  visibility: hidden;
}

.clearfix {
  zoom: 1;
}

　　

* {  margin: 0;  padding: 0;  box-sizing: border-box;  -webkit-tap-highlight-color: transparent;}
input {  border: none;  outline: none;}
ul, ol {  list-style: none;}
a {  text-decoration: none;}
.fl {  float: left;}
.fr {  float: right;}
.clearfix::before,.clearfix::after {  content: '';  display: block;  line-height: 0;  height: 0;  clear: both;  visibility: hidden;}
.clearfix {  zoom: 1;}