body {  
  color: blue;  
  font-size: 15px;  
  font-family: Verdana, Arial, Helvetica, monospace;  
  background-color: lightblue;
  margin: auto;
} 
table {
margin: auto;
background-color: white;
}
th {
  text-transform: capitalize;
}
table, th, td {
  border: 1px solid;
  font-size: 10px;
}
tr:nth-child(even) {
  background-color: lightblue;
}
h2 {  
  text-align: center;
  font-weight: bold;
}  
h3 {font-size: 13px;
}
.form_group {  
  padding: 10px;  
}  

div.a {
  text-align: center;
  }
  
  div.b {
    text-align: left;
  }
  
  div.c {
    text-align: right;
  } 
  
  div.d {
    text-align: justify;
  } 
  div.e {
    text-transform: uppercase;
  }
  
span.a {
    display: inline-block; /* the default for span */
}
span.b {
  font-size: 80%;
}
/* .NavButtons*/
/* Dropdown Button */
.greendropbtn {
  background-color: yellow;
  color: white;
  min-width: 120px;
  height:40px;
  font-size: 90%;
  border: none;
	cursor: pointer;
}
.dropbtn {
  background-color: blue;
  color: white;
  min-width: 100px;
  height:40px;
  font-size: 90%;
  border: none;
  cursor: pointer;
  border-radius: 20px;
}
/* The container <div> - needed to position the dropdown content */
.dropdown {
	position: relative;
  display: inline-block;
  margin-top: 5px;
  margin-bottom:0px;
}
/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: blue;
  min-width: 100px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  font-size: 90%;
}
/* Links inside the dropdown */
.dropdown-content a {
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}
/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: goldenrod}
/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}
/* Change the background color of the dropdown button when the dropdown content is shown */
.dropdown:hover .dropbtn {
  background-color: goldenrod;
}