.ipsiInfo_2020 {
  background-color: #496AEF;
}
.ipsiInfo_2020 .top {
  width: 100%;
  height: 644px;
  font-size: 0;
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_top.jpg") 0 0 no-repeat;
}
.ipsiInfo_2020 .tab_Area {
  padding: 45px 43px;
  padding-top: 0;
}
.ipsiInfo_2020 .common_Tab li {
  width: 50%;
  height: 159px;
  border: none;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_1 {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_1_off.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_1.selected {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_1_on.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_2 {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_2_off.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_2.selected {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_2_on.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_3 {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_3_off.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li.tab_3.selected {
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_tab_3_on.png") center 50% no-repeat;
  background-size: 100%;
}
.ipsiInfo_2020 .common_Tab li a {
  padding: 0;
  display: block;
  width: 100%;
  height: 100%;
  font-size: 0;
  background-color: transparent;
}
.ipsiInfo_2020 .slick-arrow {
  width: 24px;
  height: 41px;
  z-index: 1;
}
.ipsiInfo_2020 .slick-arrow:before {
  display: none;
}
.ipsiInfo_2020 .slick-arrow.slick-prev {
  left: 45px;
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_prev.png") 50% 50% no-repeat;
}
.ipsiInfo_2020 .slick-arrow.slick-next {
  right: 45px;
  background: url("https://image.jinhak.com/renewal2020/mediaMall/ipsiInfo_next.png") 50% 50% no-repeat;
}

.teacher img {
  display: none;
}
.teacher img:nth-child(1) {
  display: block;
}