* {
    box-sizing: border-box;
    font-family: "Helvetica";
    color: #777;
}

html, body {
    margin: 0;
    padding: 0;
}

.talonwood {
    flex-grow: 1;
    text-align: center;
    margin: 0;
    font-size: 3em;
    font-weight: normal;
    color: white;
}

.main-header {
    display: flex;
    background-image: url("head.jpg");
    background-size: cover;
    background-color: rgba(0, 0, 0, 0.6);
    background-blend-mode: multiply;
    padding-top: 30px;
    padding-bottom: 30px;
}

.content-section {
    margin: 2em;
}

.course-description {
    font-size: 1em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5em;
}

.section-header {
    color: #555;
    font-size: 1.5em;
}

.course-title {
    color: #666;
    font-size: 1.3em;
}

.main-footer {
    background-color: #4B84CF;
    margin: 0;
    padding: 0.5em 0.5em;
}

.main-footer span {
    color: white;
}

.main-footer a {
    color: white;
}

.main-footer-container {
    display: flex;
    text-align: end;
}