body {
    padding: 0;
    margin: 0;
  }

.main {
    margin: 20px;
  }

.interest {
    border-bottom: 1px dotted #000;
    text-decoration: none;
    cursor: pointer;
}

.myText {
  float: left;
  width: 70%;
  padding-left: 20px;
  float: left;
  height: 600px;
  overflow: auto;
  border: 1px solid black;
  border-radius: 5px;
}

.information {
  float: left;
  width: 20%;
  padding-left: 20px;
  display: none;
}

.demo-header {
  border-radius: 25px;
  border-color: #000;
  border-width: 1px;
  padding: 30px;
  border-style: solid;
  text-align: center;
}

.menu {
  text-align: right;
  margin-bottom: 20px;
}

.row {
  margin-top: 50px;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}


.category2 {
  background-color: #a1f6ff;
  border-radius: 10px;
  padding-left: 10px;
  padding-top: 1px;
  padding-bottom: 1px;
  margin-bottom: 2px;
}

.category1 {
  background-color: #fff696;
  border-radius: 10px;
  padding-left: 10px;
  padding-top: 1px;
  padding-bottom: 1px;
  margin-bottom: 2px;
}

.category3 {
  background-color: #f7dbff;
  border-radius: 10px;
  padding-left: 10px;
  padding-top: 1px;
  padding-bottom: 1px;
  margin-bottom: 2px;
}

.text-icon img {
  width: 200px;
  float: left;
}

.text-icon:after {
  content: "";
  display: table;
  clear: both;
}

.text-title {
  margin-top: 20px;
  padding-top: 30px;
  padding-left: 230px;
  font-size: 1.8em;
}

.menu {
  background-color: #a3d1ff;
  padding: 0;
  margin-bottom: 20px;
}

.menu span{
  float: left;
  color: #1b2d40;
  background-color: #a3d1ff;
  padding: 10px;
  margin-top: 0;
}

.menu span a {
  color: #1b2d40;
  text-decoration: none;
}

.menu span:hover a {
  background-color: #1b2d40;
  color: #a3d1ff;
  text-decoration: none;
}

.menu span:hover {
  background-color: #1b2d40;
  color: #a3d1ff;
  cursor: pointer;
}



  .menu::after {
    content: "";
    display: block;
    clear: both;
  }