body {
    margin: 0;
    background-color: #111;
    color: #eee;
    line-height: 1.6;
}

header>h1 {
    font-size: 2rem;
    color: #0ff;
    text-align: center;
    margin-top: 20px;
    font-family: 'Orbitron', sans-serif;
}

header>p {
    font-size: 1rem;
    margin: 20px;
    text-align: left;
    font-family: 'Open Sans', sans-serif;
}

.card-container {
    padding: 1rem;
    overflow: hidden;
    margin: 0 auto;
}

.card {
    background-color: #1a1a1a;
    border: 1px solid #333;
    margin: 1rem auto;
    padding: 1rem;
    width: 90%;
}

.card img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 3px solid #0ff;
}

.card h2 {
    font-size: 1.3rem;
    color: #0ff;
    margin-top: 0.75rem;
    font-family: 'Orbitron', sans-serif;
}

.card p {
    font-size: 1rem;
    margin-top: 0.5rem;
    font-family: 'Open Sans', sans-serif;
}

.clear {
    clear: both;
}

@media screen and (min-width: 600px) {
    .card {
        margin: 1%;
        float: left;
    }

    .card-container {
        margin: 1rem auto;
        overflow: hidden;
    }

    .card img {
        max-height: 180px;
        object-fit: cover;
    }

    .card h2 {
        font-size: 1.8rem;
    }

    .card p {
        font-size: 1.2rem;
        text-align: justify;
    }

    nav li {
        display: inline-block;
        margin-right: .5rem;
    }
}

@media (min-width:1200px) {

    .card {
        float: left;
        width: 25%;
        margin: 1.6%;
    }

    .card img {
        max-height: 220px;
        object-fit: cover;
    }

    .card h2 {
        font-size: 1.9rem;
    }

    .card p {
        font-size: 1.4rem;
        text-align: left;
    }
}

nav {
    background: #000;
    border-bottom: 1px solid #333;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem 1rem;
}

nav li {
    display: block;
}


nav a {
    color: #0ff;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
}

nav a:hover,
nav a:focus {
    background: #0ff;
    color: #000;
    outline: 2px solid #0ff;
    outline-offset: 2px;
}

footer {
    background-color: #000;
    color: #eee;
    position: relative;
    border-top: 1px solid #333;
}

footer>p {
    text-align: center;
    font-family: 'Open Sans', sans-serif;
}