The CSS

/* Nav Styles*/

#logo {
    display: inline-block;
    margin: 15px 0 0;
    left: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    transform: skew(-5deg, -5deg) rotate(5deg);
    transform-origin: center center;
    letter-spacing: 1.5px;
}

.nav-bar {
    background-color: silver;
    /* opacity: 0.75; */
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 10;
    float: left;
    margin: 0;
    overflow: hidden;
}

.nav-bar ul {
    list-style: none;
    position: relative;
    float: left;
    display: block;
    left: 50%;
    max-width: 1200px;
    margin: 0;
    padding: 0;
}

.nav-bar ul li {
    position: relative;
    right: 50%;
}

.nav-bar li a {
    display: block;
    padding: 1em;
    text-decoration: none;
    color: #000000;
}

.nav-bar li a:hover {
    background-color: #B5B5B5;
}

.nav-bar .menu-icon {
    cursor: pointer;
    display: inline-block;
    float: right;
    padding: 28px 20px;
    position: relative;
    user-select: none;
}

.nav-bar .menu {
    clear: both;
    max-height: 0;
    transition: max-height .2s ease-out;
}

.nav-bar .menu-icon .navicon {
    background: #333;
    display: block;
    height: 2px;
    position: relative;
    transition: background .2s ease-out;
    width: 18px;
}

.nav-bar .menu-icon .navicon:before, .nav-bar .menu-icon .navicon:after {
    background: #333;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
}

.nav-bar .menu-icon .navicon:before {
    top: 5px;
}

.nav-bar .menu-icon .navicon:after {
    top: -5px;
}

.nav-bar .menu-btn {
    display: none;
}

.nav-bar .menu-btn:checked~.menu {
    max-height: 248px;
}

.nav-bar .menu-btn:checked~.menu-icon .navicon {
    background: transparent;
}

.nav-bar .menu-btn:checked~.menu-icon .navicon:before {
    transform: rotate(-45deg);
}

.nav-bar .menu-btn:checked~.menu-icon .navicon:after {
    transform: rotate(45deg);
}

.nav-bar .menu-btn:checked~.menu-icon:not(.steps) .navicon:before, .nav-bar .menu-btn:checked~.menu-icon:not(.steps) .navicon:after {
    top: 0;
}

.active {
    background-color: rgba(212, 212, 212, 0.986);
    color: white;
}

#active-nav, footer section {
    background-color: rgba(212, 212, 212, 0.986);
    padding: 15px 0;
}