* {
    padding: 0px;
    margin: 0px;
    border: none;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

header {
    background-color: #EEE;
    height: 6vh;
    display: flex;
}

header h4 {
    text-align: center;
    padding-top: 2vh;
    max-width: 20vw;
    flex-grow: 1;
    border-right: 5px solid black;
}

header h1 {
    font-size: 50px;
    max-width: 60vw;
    flex-grow: 1;
    text-align:center;
    color: black;
}

header h3 {
    padding-top: 1.65vh;
    max-width: 20vw;
    text-align: center;
    flex-grow: 1;
    border-left: 5px solid black;
}

header h3 a {
    color: black;
}

nav {
    z-index: 10000;
    position:sticky;
    top: 0;
    background-color: black;
    height: 5vh;
}

nav ul {
    display: flex;
}

nav ul li {
    height: 100%;
    height: 5vh;
    line-height: 4.8vh;
    list-style: none;
    text-align: center;
    flex-grow: 1;
}

nav ul li:hover {
    background-color: gray;
}

nav ul li a {
    display: block;
    color: white;
    text-decoration: none;
}

.primary {
    background-color: #EEE;
    height: 80vh;
    background-image: url(Images/gymMainHero.jpg);
    background-size: cover;
    background-position: center;
    margin-bottom: 5vh;
}

.about {
    position: absolute;
    top: 24vh;
    left: 5vw;
    height: 60vh;
    width: 35vw;
    background-color: #EEE;
    opacity: 75%;
    border-radius: 20px;
    padding: 2vh 2vw;
}

.about h2 {
    text-align: center;
    margin-bottom: 4vh;
    padding-top: 2vh;
}

.about p {
    font-size: 1.5em;
    padding: 0.8vh 0vw;
}

footer {
    margin-top: 5vh;
    background-color: black;
    height: 6vh;
}

footer h4 {
    text-align:center;
    padding-top: 2vh;
    color: #EEE;
}