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

body,
div,
span,
p,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
dl,
li,
dt,
dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

body {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 14px;
  color: #333333;
}

html,
body {
  width: 100%;
  /* height: 100%; */
}

img,
input {
  margin: 0;
  padding: 0;
  border: 0 none;
  outline-style: none;
  vertical-align: middle;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: #333;
}

b {
  font-weight: 400;
}

i {
  font-style: normal;
}

button {
  border-style: none;
  outline: none;
  border: none;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

.clearfix {
  zoom: 1;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.c {
  cursor: pointer;
}

.cut {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flex {
  display: flex;

}

.wrap {
  flex-wrap: wrap;
}

.show {
  display: block !important;
}

.hide {
  display: none !important;
}

:root {
  --mainColor: #4E9BA3;
}


.button {
  height: 40px;
  border-radius: 2px;
  font-size: 14px;
  background: #fd9443;
  color: #FFFFFF;
  line-height: 40px;
  display: inline-block;
  padding: 0 10px;
}

.button.primy-button {
  background: #FFFFFF;
  border: 1px solid #6EB5BC;
  color: #4E9BA3;
}

.button.edit-button {
  background: #FCF6F6;
  color: #FF8147;
  border: 1px solid #FF8147;
  border-radius: 2px;
}

.button.info-button {
  color: #384049;
  background: #F6F7FB;
  border: 1px solid #DBDDDF;
  border-radius: 2px;
}

.page {
  min-width: 1200px;
}

#courseInex {
  padding-top: 24px;
  padding-bottom: 15px;
  background-color: #f3f5f3;
  min-height: 530px;
}

.mycontainer {
  margin-right: auto;
  margin-left: auto;
  width: 1200px;
}

.mycontent {
  /* margin-top: 20px; */
}

.contentleft {
  width: 210px;
  background: #FFFFFF;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.08);
}

.contentright {
  width: 974px;
  background: #FFFFFF;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.08);
  margin-left: 15px;
}