style.css

* {
    box-sizing: border-box;
    color: seashell;
    font-family: Helvetica;
}

body {
    margin: 0;
    background-color: black;
    font-size: 22px;
    text-align: center;
}

nav {
    height: 69px;
    border-bottom: 1px solid seashell;
    width: 100%;
    display: flex;
    align-items: center;
    position: fixed;
    justify-content: space-between;
    background-color: black;
    z-index: 9999;
}

nav img {
    height: 50px;
    margin-left: 10px;
}

nav div {
    display: inline-flex;
    justify-content: space-around;
    width: 16em;
}

#mission {
    position: relative;
    top: 69px;
    height: 700px;
    display: flex;
    background-image: url("images/img-mission-background.jpg");
    align-items: center;
    width: 1200px;
    margin: 0 auto;
}

#mission content {
    background-color: black;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#mission content h2,
#mission content h4 {
    margin: 0;
    padding: 10px;
}

#featured {
    margin: 0 auto;
    position: relative;
    top: 119px;
    width: 1000px;
}

.images {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.image img {
    width: 300px;
    height: 200px;
    margin: 10px;
}

.image h4 {
    margin: 0;
    padding-top: 10px;
}

#locations {
    height: 500px;
    width: 1200px;
    background-image: url("images/img-locations-background.jpg");
    position: relative;
    top: 169px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.locations-container {
    position: relative;
    top: 15px;
    display: flex;
    width: 980px;
    justify-content: space-between;
}

.location {
    width: 300px;
    background-color: black;
    display: inline-flex;
    flex-direction: column;
    justify-content: space-around;
}

.location span {
    margin: 20px;
}

footer {
    position: relative;
    top: 169px;
    height: 200px;
}

.copyright {
    font-weight: bold;
    position: relative;
    width: 100%;
    padding-left: 20px;
    top: 169px;
    text-align: left;
    display: block;
    padding-bottom: 20px;
}