* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Verdana, Helvetica, sans-serif;
}
a:link {
	color:blue;
}
a:visited {
	color:green;
}
a:hover {
	color: red;
	background-color: transparent;
	text-decoration: underline;
}
a:active {
	color: yellow;
	background-color: transparent;
	text-decoration: underline;
}
/* Style the header */
.header {
  background-color: #b3ffec;
  color: maroon;
  padding: 30px;
  text-align: center;
  font-size: 35px;
}

/* Style the top navigation bar */
.topnav {
  overflow: hidden;
  background-color: blue;
}

/* Style the topnav links */
.topnav a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change color on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}
.topnav a.active {
	background-color: #b3ffec;
	color: maroon;
}

/* Create three equal columns that floats next to each other */
.column {
  float: left;
  padding: 10px;
}

/* Left and right column */
.column.side {
  width: 25%;
}

/* Middle column */
.column.middle {
  width: 50%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media screen and (max-width:600px) {
  .column {
    width: 100%;
  }
}
/* Style the footer */
.footer {
  background-color: #b3ffec;
  color: maroon;
  padding: 10px;
  text-align: center;
}