.container{
  width: 100%;
  position: relative;
  z-index:100;
}
#tips{
  display:none;
  width:470px;
  height:60px;
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  right:0;
  margin:auto;
  padding:50px;
  font-size:24px;
  background-color:#fff;
  color:#333;
  border:5px solid deeppink;
  z-index:9999;
  cursor:pointer;
  box-shadow:0 0 0 1000px rgba(0,0,0,.5);
  text-align:center;
}
.code-wrap{
  width: 100%;
  border-top: 1px solid #e6e6e6;
  border-bottom: 1px solid #e6e6e6;
  height:400px;
  margin-bottom:10px;
  position:relative;
}
.css-live-wrap{
  position:relative;
  width:50%;
  height:100%;
  float:left;
}

.code,.jscode{
  width: 50%;
  height:100%;
  box-sizing: border-box;
  font-size:14px;
  background: #ffe;
  display: block;
  float: right;
  padding: 1em;
  font-family: Consolas, Monaco, monospace;
  white-space: pre;
  color:#333;
  /* text-shadow: 0 1px 1px white; */
  overflow-y:scroll;
}
summary{
  position:absolute;
  cursor:default;
  left:0;
  color: #999;
  font-size: 14px;
  line-height:18px;
  margin: 20px 0 0 20px;
  border-left: 2px solid #FF9800;
  padding: 0 10px;
  text-shadow: 0 0.2px hsl(0,0%,85%);
  /* background: linear-gradient(#FF9800, #FF9800) no-repeat; */
  background-size: 100% 1px;
  background-position: -400px bottom;
  transition:.5s;
}

summary:nth-child(2){
  margin-top:60px;
}

summary:nth-child(3){
  margin-top:100px;
}

