/* .secondlevel-main{
  background-image: url(./img/bottom-img.png);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: 100% 878px;
}  */
.content-container {
  background-image: url(../images/bottom_img.png);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: 100% 878px;
  width: 1202px;
  margin: 0 auto;
  padding-top:43px;
}
.essay {
  width: 1043px;
  margin: 0 auto;
}
/* .system-button{
  margin-top: 84px;
  margin-left: 1020px;
}
.system-button ul{
  display: flex;
  height: 25px;
  width: 172px;
}
.system-button li{
  font-size: 15px;
  list-style: 25px;
  margin: 0 2px;
  background-color:#FFFFFF;
  border: #707070 solid 1px;
  text-align: center;
  width: 26px;
  height: 25px;
  line-height: 25px;
}
.system-button li a{
  color: #666666;
}
.system-button li:first-child,li:last-child{
  width: 60px;
  height: 25px;
} */
.background-bottom{
  width: 1202px;
  height: 425px;
  margin: 140px auto 0;
  position: relative;
}
.background-bottom .container-bottom1{
  width: 1046px;
  height: 51px;
  margin-left: 78px;
  margin-top: 0px;
}