/*这些元素都建议重新初始化*/
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
tr,
td,
th,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
br,
img,
table,
input,
form,
a,
p,
textarea {
  padding: 0;
  margin: 0;
  font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,SimSun,sans-serif;
}
/*去掉列表默认排列*/
ul,
ol,
li {
  list-style: none;
  margin: 0;
}
/*去掉底部横线，把a元素更改设置成块级元素*/
a {
  text-decoration: none !important;
  border: none;
}
/*img标签要清除border以及display设为block设置为块级元素，默认为display:inline;存在下边线多出4px状况，所以一般设为block*/
img {
  border: 0;
  display: block;
}
/*清除浮动破坏带来的塌陷问题*/
/*清除浮动的兼容IE*/
.clearfloat {
  zoom: 1;
}
.clearfloat:after {
  display: block;
  clear: both;
  content: "";
  visibility: hidden;
  height: 0;
}
.dropdown-item.active,
.dropdown-item:active {
  background: transparent;
}
input {
  background-color: #fff;
  background-image: none;
  border-radius: 4px;
  border: 1px solid #dcdfe6;
  box-sizing: border-box;
  color: #606266;
  display: inline-block;
  font-size: inherit;
  height: 40px;
  line-height: 40px;
  outline: none;
  padding: 0 15px;
  transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  width: 100%;
}