* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body,
html {
  background: #000;
  color: #fff;
}
a {
  color: #fff;
  text-decoration: none;
}
h1 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 20px;
  padding-top: 40px;
}
li {
  list-style: none;
}
.oneDepth > li {
  margin-bottom: 20px;
}
#wrap {
  display: flex;
}
#sidebar {
  font-size: 13px;
  padding: 0 30px;
  width: 400px;
  height: 100dvh;
  border: 1px solid #777;
  padding: 10px;
  resize: horizontal;
  overflow: auto;
}
#sidebar > ul > li > .listTitle {
  padding: 5px 20px;
}
#sidebar > ul > li > ul > li {
  padding: 5px 15px;
  margin-left: 27px;
  border-left: 1px solid #777777;
  position: relative;
}
#sidebar > ul > li > ul > li:before {
  content: "";
  display: block;
  width: 10px;
  height: 1px;
  background: #777;
  position: Absolute;
  left: 0;
  top: 14px;
}
#sidebar > ul > li > ul > li > a {
  margin-top: 5px;
}
#contents {
  width: 100%;
  background: #fff;
  color: #000;
}
#contents iframe {
  width: 100%;
  height: 100%;
  display: block;
}
#contents h3 {
  padding: 40px 20px;
}

.defaultContent {
  font-size: 14px;
  padding: 50px 20px 20px;
}
.defaultContent > p {
  font-size: 15px;
  margin: 20px 0;
}
.defaultContent + iframe {
  display: none !important;
}
.mainList > li {
  margin-bottom: 5px;
}
.mainList > li::before {
  content: "";

  width: 3px;
  height: 3px;
  margin-right: 5px;
  border-radius: 3px;
  display: inline-block;
  vertical-align: middle;
  background: #000;
}
.mainList > li > a {
  color: #000;
  font-size: 13px;
}

#description {
  color: #000;
  font-size: 13px;
  padding: 10px 10px 30px;
}
.modal {
  position: absolute;
  top: inherit;
  top: 40%;
  left: 50px;
  width: 500px;
  border: 1px solid #aaa;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  display: none;
  z-index: 1000;
}

.modal-header {
  background: gray;
  color: white;
  padding: 10px;
  cursor: move;
  font-weight: bold;
  font-size: 12px;
}

.blankBtn {
  background: #fff;
  color: #000;
  font-size: 10px;
  border-radius: 2px;
  padding: 0 2px;
  margin-left: 10px;
}