Backstage/src/pages/layout/style.css

.container {
  background-color: #f2f2f2;
  height: 100%;
}

.header {
  background: #333333;
  font-size: 18px;
  overflow: hidden;
  height: 68px !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header img {
  height: 28px;
}

.header .span {
  float: right;
  color: #fff;
  font-size: 14px;
  /* top: 50%;
  right: 25px; */
  /* position: absolute; */
  /* transform: translateY(-50%); */
  vertical-align: middle
}

.header .span .icon {
  margin-right: 5px;
}

.aside {
  background-color: #fff;
  box-shadow: 5px 5px 10px rgba(0,0,0,0.1);
  position: relative;
  z-index: 2
}

.aside > p {
  padding-left: 20px;
  line-height: 60px;
  font-size: 12px;
  color: #999999;
}

.nav .p {
  height: 58px;
  line-height: 58px;
  font-size: 14px;
  color: #999999;
  cursor: pointer;
  padding-left: 45px;
  padding-right: 20px;
  position: relative;
  display: block;
}

.nav .p .i {
  position: absolute;
  left: 20px;
  top: 50%;
  margin-top: -9px;
}

.nav .p.active {
  background-color: #f2f2f2;
  color: #333333;
}

.main {
  padding: 0;
  position: relative;
  z-index: 1;
}

.nav-head {
  padding: 0 25px;
  height: 60px;
  background-color: #fff;
  position: relative;
  box-shadow: 5px 0px 10px rgba(0, 0, 0, 0.1)
}

.main h4 {
  font-size: 18px;
  line-height: 60px;
  font-weight: 400;
}

.main h4 span {
  padding-left: 15px;
}

.main h4 p {
  display: inline-block;
}

.main h4 p span i::after {
  content: ':'
}

.main h4 p span b {
  font-weight: normal;
}

.main h4 p span.strong i {
  font-size: 14px;
  color: #f56c6c;
}

.main h4 p span.strong b {
  font-size: 18px;
  color: #f56c6c;
}

.main h4 p span.strong b::after {
  content: '点';
  font-size: 14px;
}

.nav-head div {
  position: absolute;
  height: 16px;
  top: 50%;
  right: 25px;
  margin-top: -8px;
  color: #999999;
}

.nav-head .link {
  color: inherit;
  line-height: 16px;
  font-size: 14px;
}

.nav-head .link::after {
  content: '>';
  padding: 0 5px;
}

.nav-head .link:last-child::after {
  display: none;
}

.show-view {
  margin: 30px;
}