:root {
    --primary: #8bb92e;
    --text-primary: rgba(0,0,0,.85);
    --font-main: 'Roboto', sans-serif;
    --font-headline: 'Yanone Kaffeesatz', serif;
}

html {
    height: 100%;
}

body {
    background-color: #F4F6F7;
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-headline);
    text-transform: uppercase;
}

header {
    padding: 2rem 0 1rem 0;
}

header h1 {
    font-size: 1.2rem;
    text-transform: unset;
}

.nav {
    display: block;
    list-style-type: none;
    padding-left: .5rem;
    padding-right: 2rem;
    padding-bottom: 2rem;
}

.nav-item {
    background-color: var(--primary);
    padding: 0 1rem;
    margin-top: .4rem;
    font-family: 'Yanone Kaffeesatz', serif;
    font-size: 1.3rem;
}

.nav-link {
    color: var(--text-primary);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-menu li:hover {
    background-color: #bed391;
}

@media screen and (min-width: 768px) {
    .content-section {
        margin-left: 4rem;
    }
}

.content-section {
    background-color: #dbddde;
    margin-top: 2rem;
    margin-left: 0rem;
    padding: 2rem;
}

footer {
    text-align: center;
    min-height: 15rem;
    background-color: rgba(0,0,0,.85);
    margin-top: 4rem;
    padding: 2rem;
    color: white;
}

footer h3 {
    margin-bottom: 1.5rem;
}

.copyright {
    color: white;
    background-color: #000;
    text-align: center;
    padding: 1rem;
    font-size: .8rem;
}

.download-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    height: 100%;
    justify-content: center;
}

@media screen and (max-width: 767px) {
    .download-box {
        align-items: center;
    }
}

.cubes {
    background-image: url('assets/background.png');
    background-repeat: repeat;
}