@import url(https://cdn.jsdelivr.net/gh/moonspam/NanumSquare@1.0/nanumsquare.css); 
*{
    margin:0;
    padding:0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;  
}
html, body{
    height: 100%;
    background-color: rgb(148, 148, 148);
    font-family:'nanumsquare' ;
    text-shadow: rgb(0, 0, 0) 0 0 1px;
}
.popupContainer, .descent-container{   
    width:1100px;
    height:700px;
    padding: 0 20px;
    overflow: auto;
}
.descent-container{
    width: 600px;
    padding: 30px 0;
    background:  rgb(20, 20, 20);
}
.popupContainer .title{
    margin-top: 20px;
    padding:15px;
    font-size: 24px;
    text-align: center;
    color: white;
    border-radius: 10px;
    background: slateblue;
}
.popupContent{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px 0;
}
.popupContainer .imgCon{
    display: inline-block;
    width:560px;
}
.popupContainer .txtCon{
    display: inline-block;
    width:460px;
    height:300px;
}
.popupContainer table{
    width:100%;
    border-collapse: separate;
    border-spacing: 10px 15px;
    font-size: 16px;
    color: rgb(148, 148, 148);
}
.popupContainer td{
    vertical-align: top;
    line-height: 25px;
}

.popupContainer::-webkit-scrollbar, .descent-container::-webkit-scrollbar {
    width: 18px;
}
.popupContainer::-webkit-scrollbar-thumb, .descent-container::-webkit-scrollbar-thumb {
    background-color: #464646;
    border-radius: 0;
    background-clip: padding-box;
}
.popupContainer::-webkit-scrollbar-track, .descent-container::-webkit-scrollbar-track {
    background-color: rgb(37, 37, 37);
    border-radius: 0;
}
.popupContainer::-webkit-scrollbar-corner, .descent-container::-webkit-scrollbar-corner {
    background-color: rgb(37, 37, 37);
}
#guideDivheader, #descent-windowheader {
  padding: 10px;
  cursor: move;
  z-index: 10;
  background-color: #2b2b2b;
  color: #fff;
}
#guideDivheader .top span, #descent-windowheader .top span{
    display: inline-block;
    padding: 0 7px;
    font-size: 16px;
    font-weight: 700;
    color: rgb(255, 254, 254);
    cursor: pointer;
}
#guideDivheader .top span:last-child, #descent-windowheader .top span:last-child{
   float: right;
}