style.css

* {
	padding: 0;
	margin: 0;
	text-decoration: none;
	list-style: none;
	box-sizing: border-box;
}

body {
	background-image: url(sitelogo.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
	background-attachment: fixed;
}
nav {
	background: rgb(13, 64, 57);
	height: 80px;
	width: 100%;
}
label.logo {
	color: white;
	font-size: 35px;
	line-height: 80px;
	padding-left: 100px;
	font-weight: bold;
}
nav ul {
	float: right;
	margin-right: 20px;
}
nav ul li {
	display: inline-block;
	line-height: 80px;
	margin: 0 5px;
}
nav ul li a {
	color: white;
	font-size: 17px;
	padding: 7px 13px;
	border-radius: 3px;
	text-transform: uppercase;
}
a.active, a:hover {
	background: rgb(9,45,40);
	transition: .5s;
}
.checkbtn {
	font-size: 30px;
	color: white;
	float: right;
	line-height: 80px;
	margin-right: 40px;
	cursor: pointer;
	display: none;
}
#check {
	display: none;
}
@media (max-width: 952px){
	label.logo{
		font-size: 30px;
		padding-left: 50px;
	}
	nav ul li a{
		font-size: 16px;
	}
}
@media(max-width: 320px){
	.logo{
		justify-content: flex-start;
	}
}
@media (max-width: 858px){
	.checkbtn {
		display: block;
	}
	ul{
		z-index: 10;
		position: fixed;
		width: 100%;
		height: 100vh;
		background: rgb(7, 39, 35);
		top: 80px;
		left: -100%;
		text-align: center;
		transition: all .5s;
	}
	nav ul li{
		display: block;
		margin: 50px 0;
		line-height: 30px;
	}
	nav ul li a {
		font-size: 20px;
	}
	a:hover, a.active {
		background: none;
		color: #22aa39d0;
	}
	#check:checked ~ ul {
		left: 0;
	}
}