body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
/* Sidebar */
#sidebar {
    width: 200px;
    background-color: #2c3e50;
    padding-top: 10px;
    position: fixed;
    height: 100%;
}
#sidebar a {
    display: block;
    padding: 15px;
    text-decoration: none;
    color: white;
    font-size: 18px;
    margin-bottom: 10px;
    background-color: #34495e;
    border-radius: 5px;
}
#sidebar a:hover {
    background-color: #1abc9c;
}
#sidebar .viewingpage  {
    background-color:#1abc9c ;
}
/* Content area */
#content {
    margin-left: 220px;
    padding: 20px;
}
h2 {
    font-size: 30px;
    color: #34495e;
}
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 16px;
  text-align: left
}
td {
    border: 1px solid #000;
    padding: 12px;
}
#heading{
    font-size: 20px;
    font-weight: bold;
}