body,
html {
    width: 100%;
    height: 100%;
    
}

body,
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Times New Roman", Times, serif;
    font-weight: 750;
}
.topnav {
    font-size: 18px;
    border-bottom: 1px outset rgba(192, 192, 192, 0.5);
    background: rgba(221, 221, 221, 0.78);
    box-shadow: 0px 1px rgba(0, 0, 0, 0.3);
}
.topnav ul.navbar-nav li a {
background: rgba(28, 28, 28, 0.1);
color: #000;
}
.topnav ul.navbar-nav li a:hover,
.topnav ul.navbar-nav li a:focus

 {
background: rgba(255, 255, 255, 0.5);
color: #000;
}

.topnav .navbar-brand {
  background: rgba(28, 28, 28, 0.0);
  color: #000;
}

.topnav .navbar-brand:hover,
.topnav .navbar-brand:focus {
  background: rgba(255, 255, 255, 0.5);
  color: #000;
}
.intro-header{
	    height: 840px;  
    padding-top: 50px; /* If you're making other pages, make sure there is 50px of padding to make sure the navbar doesn't overlap content! */
    padding-bottom: 50px;
    text-align: center;
    background: url('https://images.unsplash.com/uploads/141362941583982a7e0fc/abcfbca1?ixlib=rb-0.3.5&q=80&fm=jpg&s=481555ad187d9a7a3c9ac031881b3b54') no-repeat fixed;
    background-size: cover;
    height: 840px;
}
.intro-message {
    position: relative;
    padding-top: 20%;
    padding-bottom: 20%;
}
.intro-message > h1 {
    margin-top: -50px;
    text-shadow: 2px 1px 2px #000;
    text-align: center;
    font-size: 7em;
    color: linen;
}
.intro-message > h3{
	text-align: center;
	text-shadow: 4px 6px 6px #000;
	font-size: 3em;
	color: #d9edf7;
}
 .content-section-a {
    padding: 50px 0;
    background: url('https://images.unsplash.com/photo-1445276879563-18af7c78ab52?ixlib=rb-0.3.5&q=80&fm=jpg&s=fb0c7055e4497b63d94eb2a4a74209a6') no-repeat center center fixed;
    background-size: cover;
    height: 500px;
     font-size: 22px;
    color: #000;
}
.bg-overlay2 {
  margin-top: -50px;
  background: rgba(255, 255, 255, 0.3);
  height: 500px;
}
.content-section-b {
	padding: 50px 0;
	background: url('https://images.unsplash.com/uploads/141273952449798e153d6/53d2aeda?ixlib=rb-0.3.5&q=80&fm=jpg&s=2c61eece6c1931d6be9b109153762c5c') no-repeat center center fixed;
	background-size: cover;
	height: 500px;
	font-size: 18px;
	color: #000;
}
.bg-overlay3{
	margin-top: -45px;
	background: rgba(255, 255, 255, 0.4);
	height: 500px;
}
.row {
	margin-right: 15px;
	margin-left: 15px;
}
.content-section-c {
	padding: 45px 0;
	background: url('https://images.unsplash.com/photo-1415045384817-2f9cf7f2ed79?ixlib=rb-0.3.5&q=80&fm=jpg&s=83fb892ca2fa15b53c0c55e457a095f8') no-repeat center center fixed;
	background-size: cover;
	height: 400px;
	font-size: 18px;
	color: #000;
}
.bg-overlay4: {
	margin-top: -45px;
	background: rgba(255, 255, 255, 0.6);
	height: 400px;
}
.content-section-d {
	margin-top: -45px;
	padding: 40px;
	background: url('https://images.unsplash.com/33/U6XzvTb5RmuqrfNkQI0l_IMG_1861.jpg?ixlib=rb-0.3.5&q=80&fm=jpg&s=c2a4ae5a0ad1b48b3ab9b7d1371a537f') no-repeat center center fixed;
	background-size: cover;
	height: 300px;
	font-size: 18px;
	color: #000;
}
.btn {
	  display: inline-block;
  color: #CCC;
  border: 2px outset rgba(0, 0, 0, 0.9);
  background: #C0C0C0;
  text-shadow: 1px 1px 1px rgba(0,0,0, 20);
  box-shadow: 3px 3px 3px rgba(0,0,0,0.5);
  letter-spacing: 2px;
  transition: 0.2s;
}
.btn:hover {
	color: #EEE;
  border: 2px outset rgba(0, 0, 0, 0.9);
  background: rgba(0,0,0, 0.9);
  text-shadow: 1px 1px 1px rgba(0,0,0, 20);
  box-shadow: 3px 3px 3px rgba(0,0,0,0.5);
  letter-spacing: 2px
}