body {
   margin:0;
   padding:0;
   height:100%;
    font-family: Arial, Helvetica, sans-serif;
}

.header {
  overflow: hidden;
  background-color: #f1f1f1;
  padding: 20px 10px;
}

.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 18px; 
  line-height: 25px;
  border-radius: 4px;
}

.header a.logo {
  font-size: 25px;
  font-weight: bold;
  color: Blue;
}
/*
.header a:hover {
  background-color: #ddd;
  color: black;
}

.header a.active {
  background-color: dodgerblue;
  color: white;
}
*/
.header-right {
  float: right;
}
.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: #f1f1f1;
   color: Black;
   text-align: center;
}
@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  
  .header-right {
    float: none;
  }
}

.tree1 {
	float: left;
	width: 300px;
	height: 50px;
}

.heading{
  display: block;
  font-size: 2em;
  margin-top: 0em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
}

.styled-table {
 table-layout: fixed;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.9em;
    font-family: Tahoma;
    min-width: 100%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}
.styled-table thead tr {
    background-color: #4682b4;
    color: #ffffff;
    text-align: left;
   
}
.styled-table thead th { 
  position: sticky; 
  top: 0; 
background-color: #4682b4;
 color: #ffffff;
}

.styled-table th,
.styled-table td {
	width: 70px;
    padding: 12px 15px;
    word-wrap: break-word;
     font-weight: normal;
}
.styled-table tbody tr {
    border-bottom: 1px solid #dddddd;
     
}

.styled-table tbody tr:nth-of-type(even) {
    background-color: #f3f3f3;
}

.styled-table tbody tr:last-of-type {
    border-bottom: 2px solid #009879;
}
.styled-table tbody active-row {
    font-weight: bold;
    color: #009879;
}