* {box-sizing: border-box}

/* Set height of body and the document to 100% */
body, html {
  height: 100%;
  margin: 0;
  font-family: Arial;
}

/* Style tab links */
.tablink {
  background-color: #152238;
  color: white;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 17px;
  width: 25%;
}

.tablink:hover {
  background-color: #777;
}

/* Style the tab content (and add height:100% for full page content) */
.tabcontent {
  color: white;
  display: none;
  padding: 100px 20px;
  height: 100%;
}

#ITUnit {background-color: #23395d;}
#HR {background-color: #203354;}
#CM {background-color: #23395d;}
#StudAf {background-color: #203354;}
#Accounts {background-color: #23395d;}
#BTech {background-color: #23395d;}
#Auto {background-color: #23395d;}
#AA {background-color: #23395d;}
#Science {background-color: #23395d;}