@media screen and (max-width:481px){
    #main, #subnav{
        float:left;
        padding: 0;
        width:94%;
        margin: 3%;
    }
}
@media screen and (max-width: 960px){
.wrapper {
width:640px;
}
}
@media screen and (max-width: 640px) {
.wrapper {
width: 320px;
}
h1, h2, h3, h4, p {
word-wrap: break-word;
}
#header{
padding: 0;
}
}

body{
	background-color: white;
	font-family: helvetica, arial, sans-serif;
	font-size: 18px;
	padding-top: 330px;
}
header{
	width: 100%;
	height: 300px;
	background-color: forestgreen;
	text-align: center;
	position: relative;
	position: fixed;
	top: 0;
	overflow: hidden;
    
	h1{
		font-size: 25px;
		color: #fff;
		line-height: 230px;
		text-transform: uppercase;
		font-weight: 100;
		@include transition(all .3s ease);
	}
	nav{
		position: absolute;
		bottom: 0;
		height: 60px;
		line-height: 60px;
		width: 100%;
		background-color: rgba(0,0,0,.1);
		a{
			color: white;
			display: inline-block;
			padding: 10px 15px;
			line-height: 1;
			text-decoration: none;
       @include border-radius(2px);
        &:hover{
        }
		}
	}
}

.wrapper{
	width: 800px;
	margin: 0 auto;
}
section{
	padding: 20px;
	margin-bottom: 40px;
	background-color: #fff;
}

.fcc-btn {
  background-color: #199319;
  color: white;
     padding: 15px 25px;
     text-decoration: none;
    
}
.footer { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    z-index: 10;
   
    * {
  box-sizing: border-box;
}
}
.column {
  float: left;
  width: 33.33%;
  padding: 5px;
}
.row::after {
  content: "";
  clear: both;
  display: table;
}

<html>
<head>
<style>
h1 {text-align: center;}
p {text-align: center;}
div {text-align: center;}
</style>
</head>
<body>


