Untitled

nav {
    background: #464646;
    padding: 30px;
}

nav a {
    color: white;
    margin-right: 20px;
    text-decoration: none;
}

nav a:hover {
    color: #949494;
}

section:nth-of-type(1) div {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
}

section:nth-of-type(2) {
    text-align: center;
}

section:nth-of-type(3) {
    background: #93d7de;
}

section:nth-of-type(3) img {
    float: left;
}

section:nth-of-type(3) div {
    padding: 20px;
}

footer {
    background: black;
    color: white;
    text-align: center;
}