*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.container{
    width: 100vw;
    max-width: 100%;
    height: 100vh;
    padding: 0 20px 20px 20px;
}
main img{
    width: 100%;
    height: 100%;
}

.nav{
    list-style-type: none;
    height: 50px;
    margin: 0;
    padding:0;
    overflow: hidden;
    background-color: rgb(121, 143, 121);
}

li {
    font-family: Arial, Helvetica, sans-serif;
    display:inline;
    float: left;
}

li a{
    
    height: 50px;
    display: block;
    color:white;
    text-align: center;
    padding:14px 16px;
    text-decoration: none;

}

li a:hover{
    background-color: rgb(163, 194, 163);
}

.active {
    font-weight: bolder;
    background-color: rgb(88, 180, 88);
}

.box{
    background-color: rgb(163, 194, 163);
    text-align: center;
	vertical-align: middle;
    padding: 20px;
}

#footer {
    margin-top:10px;
	text-align: center;
	vertical-align: middle;
	height: 80px;
	padding-top: 30px;
	color: #FFF;
	background-color: rgb(121, 143, 121);
	font-size: 16px;
}