* {
  box-sizing: border-box;
}

body {
  font-family: "Verdana", cursive;
  padding: 10px;
  background: #BDBBBB;
}

/* Header */
.header {
  padding: 85px;
  text-align: center;
  background: no-repeat center url("../images/photos/Oxford_crop.jpg");
}

/* Header_2 */
.header_2 {
  text-align: center;
  background: white;
}

.header h1 {
  font-size: 50px;
	color: silver;
	-webkit-text-fill-color: silver;
	-webkit-text-stroke: 2px black;
}

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

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

/* Change color on hover */
.topnav a:hover {
  background-color: #BDBBBB;
  color: white;
}

/* Marquee */
.visual-aid {
	/* Styles for visual aid. */
	font-family: "Verdana", cursive;
	font-size: 20px;
	color: #FFFFFF;
	height: 1.2em;
	background: #BDBBBB;
	width: 100%;
	margin: auto;
	position: relative;
}

.marquee {
	overflow: hidden;
}
.marquee > * {
	white-space: nowrap;
	position: absolute;
	animation: marquee 30s linear 1s infinite alternate;
}

@keyframes marquee {
	0% {
		left: 100%;
		transform: translateX(0%);
	}
	100% {
		left: 0%;
		transform: translateX(-100%);
	}
}

.row{
}

.row h1{
	font-size: 30px;
	text-align: center;
}

.row h2 {
	font-size: 25px;
	text-align: center;
}

.row h3 {
	font-size: 20px;
	text-align: center;
}

.row h4{
	font-size: 15px;
	text-align: center;
}

/* Create two unequal columns that float next to each other */
/* Left column */
.leftcolumn {   
  float: left;
  width: 75%;
}

/* Right column */
.rightcolumn {
  float: left;
  width: 25%;
  background-color: #BDBBBB;
  padding-left: 20px;
}

/* Single column */
.onecolumn {   
  width: 100%;
  background-color: white;
  padding-left: 20px;
}
/* Fake image */
.fakeimg {
  background-color: white;
  width: 20%;
  padding: 20px;
}

/* Add a card effect for articles */
.card {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
}

/* Add a card effect for biographies */
.card_one {
  background-color: white;
  width: 19%;
  padding: 20px;
  margin-top: auto;
  display: inline-block;
  vertical-align: top;
}

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

/* Footer */
.footer {
  padding: 20px;
  text-align: center;
  background: #ddd;
  margin-top: 20px;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {
  .leftcolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
  }
}

/* Responsive layout - when the screen is less than 400px wide, make the navigation links stack on top of each other instead of next to each other */
@media screen and (max-width: 400px) {
  .topnav a {
    float: none;
    width: 100%;
  }
}