* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #23242e;
}

header {
    nav {
        display: flex;
        justify-content: space-between;
        height: 60px;
        align-items: center;
        padding: 0 20px;
        margin-bottom: 20px;

        ul {
            list-style: none;
            display: flex;
            gap: 20px;
        }
    }
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #23242e;
    color: #ffffff;
}

.coursebox {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 400px;
    margin: 10px;
    text-decoration: none;

    .title {
        font-size: 1.5em;
        font-weight: bold;
        text-decoration: underline;
    }

    .shortdescr {
        font-size: 1em;
        color: #555555;
    }

    .attributes {
        display: flex;
        gap: 10px;
        font-size: 0.7rem;

        p {
            color: #555555;
        }
    }
}