/* 弹窗 (background) */
.open {
  display: none; /* 默认隐藏 */
  position: fixed; /* 固定定位 */
  z-index: 1; /* 设置在顶层 */
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%;
  overflow: auto; 
  background-color: rgb(0,0,0); 
  background-color: rgba(0,0,0,0.4); 
}
 
/* 弹窗内容 */
.open-content {
  background-color: #fefefe;
  margin: 10% auto; 
  padding: 20px;
  border: 1px solid #888;
  width:35%; 
  border-radius:10px;
}

.open-content dl{height: 100px; margin:0 auto;}
.open-content dd{float:left;margin:0 8px;}
.open-content dd img{height:100px; border: #C8C8C8 1px solid;}

/* 关闭按钮 */
.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}
 
.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}