.csn_banner_basic .btn-banner-adm {
  position: absolute;
  right: 5px;
  top: 5px;
  display: block;
  z-index: 9999;
  width: 24px;
  height: 24px;
  text-align: center;
  line-height: 24px;
  background-color: #fff;
  color: tomato;
}

.fixed-box {
	width:100%;
	display:flex;
	flex-direction: row;
	flex-wrap: wrap;
}
.fixed-box .item {
	width:50%;
	margin-bottom: 5px;
}

@media screen and (max-width: 600px) {
.fixed-box .item {
	width:100%;
}
}